unknown Initial ITS Start location: l4 Program variables: __disjvr_0^0 __disjvr_1^0 x^0 y^0 0: l0 -> l1 : __disjvr_0^0'=__disjvr_0^post1, __disjvr_1^0'=__disjvr_1^post1, x^0'=x^post1, y^0'=y^post1, (1+x^0-y^0 <= 0 /\ __disjvr_1^0-__disjvr_1^post1 == 0 /\ -y^post1+y^0 == 0 /\ -1+x^post1-x^0 == 0 /\ -x^0-y^0 <= 0 /\ -__disjvr_0^post1+__disjvr_0^0 == 0), cost: 1 1: l0 -> l1 : __disjvr_0^0'=__disjvr_0^post2, __disjvr_1^0'=__disjvr_1^post2, x^0'=x^post2, y^0'=y^post2, (-__disjvr_1^post2+__disjvr_1^0 == 0 /\ x^0-y^0 <= 0 /\ __disjvr_0^0-__disjvr_0^post2 == 0 /\ -1+y^post2-y^0 == 0 /\ -x^post2+x^0 == 0 /\ 1+x^0+y^0 <= 0), cost: 1 2: l0 -> l1 : __disjvr_0^0'=__disjvr_0^post3, __disjvr_1^0'=__disjvr_1^post3, x^0'=x^post3, y^0'=y^post3, (-y^post3+y^0 == 0 /\ __disjvr_1^0-__disjvr_1^post3 == 0 /\ -1+x^0+y^0 <= 0 /\ -__disjvr_0^post3+__disjvr_0^0 == 0 /\ 1-x^0+y^0 <= 0 /\ 1+x^post3-x^0 == 0), cost: 1 3: l0 -> l1 : __disjvr_0^0'=__disjvr_0^post4, __disjvr_1^0'=__disjvr_1^post4, x^0'=x^post4, y^0'=y^post4, (-__disjvr_0^post4+__disjvr_0^0 == 0 /\ x^0-x^post4 == 0 /\ 1+y^post4-y^0 == 0 /\ -x^0+y^0 <= 0 /\ __disjvr_1^0-__disjvr_1^post4 == 0 /\ 2-x^0-y^0 <= 0), cost: 1 4: l1 -> l2 : __disjvr_0^0'=__disjvr_0^post5, __disjvr_1^0'=__disjvr_1^post5, x^0'=x^post5, y^0'=y^post5, (__disjvr_1^0-__disjvr_1^post5 == 0 /\ -__disjvr_0^post5+__disjvr_0^0 == 0 /\ __disjvr_0^post5-__disjvr_0^0 == 0 /\ -y^post5+y^0 == 0 /\ -x^post5+x^0 == 0), cost: 1 5: l2 -> l0 : __disjvr_0^0'=__disjvr_0^post6, __disjvr_1^0'=__disjvr_1^post6, x^0'=x^post6, y^0'=y^post6, (-__disjvr_1^0+__disjvr_1^post6 == 0 /\ __disjvr_0^0-__disjvr_0^post6 == 0 /\ __disjvr_1^0-__disjvr_1^post6 == 0 /\ -x^post6+x^0 == 0 /\ -y^post6+y^0 == 0), cost: 1 6: l3 -> l1 : __disjvr_0^0'=__disjvr_0^post7, __disjvr_1^0'=__disjvr_1^post7, x^0'=x^post7, y^0'=y^post7, (-x^post7+x^0 == 0 /\ __disjvr_0^0-__disjvr_0^post7 == 0 /\ -__disjvr_1^post7+__disjvr_1^0 == 0 /\ -y^post7+y^0 == 0), cost: 1 7: l4 -> l3 : __disjvr_0^0'=__disjvr_0^post8, __disjvr_1^0'=__disjvr_1^post8, x^0'=x^post8, y^0'=y^post8, (__disjvr_1^0-__disjvr_1^post8 == 0 /\ -__disjvr_0^post8+__disjvr_0^0 == 0 /\ x^0-x^post8 == 0 /\ -y^post8+y^0 == 0), cost: 1 Chained Linear Paths Start location: l4 Program variables: __disjvr_0^0 __disjvr_1^0 x^0 y^0 0: l0 -> l1 : __disjvr_0^0'=__disjvr_0^post1, __disjvr_1^0'=__disjvr_1^post1, x^0'=x^post1, y^0'=y^post1, (1+x^0-y^0 <= 0 /\ __disjvr_1^0-__disjvr_1^post1 == 0 /\ -y^post1+y^0 == 0 /\ -1+x^post1-x^0 == 0 /\ -x^0-y^0 <= 0 /\ -__disjvr_0^post1+__disjvr_0^0 == 0), cost: 1 1: l0 -> l1 : __disjvr_0^0'=__disjvr_0^post2, __disjvr_1^0'=__disjvr_1^post2, x^0'=x^post2, y^0'=y^post2, (-__disjvr_1^post2+__disjvr_1^0 == 0 /\ x^0-y^0 <= 0 /\ __disjvr_0^0-__disjvr_0^post2 == 0 /\ -1+y^post2-y^0 == 0 /\ -x^post2+x^0 == 0 /\ 1+x^0+y^0 <= 0), cost: 1 2: l0 -> l1 : __disjvr_0^0'=__disjvr_0^post3, __disjvr_1^0'=__disjvr_1^post3, x^0'=x^post3, y^0'=y^post3, (-y^post3+y^0 == 0 /\ __disjvr_1^0-__disjvr_1^post3 == 0 /\ -1+x^0+y^0 <= 0 /\ -__disjvr_0^post3+__disjvr_0^0 == 0 /\ 1-x^0+y^0 <= 0 /\ 1+x^post3-x^0 == 0), cost: 1 3: l0 -> l1 : __disjvr_0^0'=__disjvr_0^post4, __disjvr_1^0'=__disjvr_1^post4, x^0'=x^post4, y^0'=y^post4, (-__disjvr_0^post4+__disjvr_0^0 == 0 /\ x^0-x^post4 == 0 /\ 1+y^post4-y^0 == 0 /\ -x^0+y^0 <= 0 /\ __disjvr_1^0-__disjvr_1^post4 == 0 /\ 2-x^0-y^0 <= 0), cost: 1 9: l1 -> l0 : __disjvr_0^0'=__disjvr_0^post6, __disjvr_1^0'=__disjvr_1^post6, x^0'=x^post6, y^0'=y^post6, (__disjvr_1^0-__disjvr_1^post5 == 0 /\ -__disjvr_0^post5+__disjvr_0^0 == 0 /\ __disjvr_0^post5-__disjvr_0^post6 == 0 /\ __disjvr_0^post5-__disjvr_0^0 == 0 /\ x^post5-x^post6 == 0 /\ -y^post5+y^0 == 0 /\ -__disjvr_1^post5+__disjvr_1^post6 == 0 /\ __disjvr_1^post5-__disjvr_1^post6 == 0 /\ y^post5-y^post6 == 0 /\ -x^post5+x^0 == 0), cost: 1 8: l4 -> l1 : __disjvr_0^0'=__disjvr_0^post7, __disjvr_1^0'=__disjvr_1^post7, x^0'=x^post7, y^0'=y^post7, (-__disjvr_1^post7+__disjvr_1^post8 == 0 /\ __disjvr_1^0-__disjvr_1^post8 == 0 /\ -__disjvr_0^post8+__disjvr_0^0 == 0 /\ -x^post7+x^post8 == 0 /\ __disjvr_0^post8-__disjvr_0^post7 == 0 /\ x^0-x^post8 == 0 /\ y^post8-y^post7 == 0 /\ -y^post8+y^0 == 0), cost: 1 Eliminating location l3 by chaining: Applied chaining First rule: l4 -> l3 : __disjvr_0^0'=__disjvr_0^post8, __disjvr_1^0'=__disjvr_1^post8, x^0'=x^post8, y^0'=y^post8, (__disjvr_1^0-__disjvr_1^post8 == 0 /\ -__disjvr_0^post8+__disjvr_0^0 == 0 /\ x^0-x^post8 == 0 /\ -y^post8+y^0 == 0), cost: 1 Second rule: l3 -> l1 : __disjvr_0^0'=__disjvr_0^post7, __disjvr_1^0'=__disjvr_1^post7, x^0'=x^post7, y^0'=y^post7, (-x^post7+x^0 == 0 /\ __disjvr_0^0-__disjvr_0^post7 == 0 /\ -__disjvr_1^post7+__disjvr_1^0 == 0 /\ -y^post7+y^0 == 0), cost: 1 New rule: l4 -> l1 : __disjvr_0^0'=__disjvr_0^post7, __disjvr_1^0'=__disjvr_1^post7, x^0'=x^post7, y^0'=y^post7, (-__disjvr_1^post7+__disjvr_1^post8 == 0 /\ __disjvr_1^0-__disjvr_1^post8 == 0 /\ -__disjvr_0^post8+__disjvr_0^0 == 0 /\ -x^post7+x^post8 == 0 /\ __disjvr_0^post8-__disjvr_0^post7 == 0 /\ x^0-x^post8 == 0 /\ y^post8-y^post7 == 0 /\ -y^post8+y^0 == 0), cost: 1 Applied deletion Removed the following rules: 6 7 Eliminating location l2 by chaining: Applied chaining First rule: l1 -> l2 : __disjvr_0^0'=__disjvr_0^post5, __disjvr_1^0'=__disjvr_1^post5, x^0'=x^post5, y^0'=y^post5, (__disjvr_1^0-__disjvr_1^post5 == 0 /\ -__disjvr_0^post5+__disjvr_0^0 == 0 /\ __disjvr_0^post5-__disjvr_0^0 == 0 /\ -y^post5+y^0 == 0 /\ -x^post5+x^0 == 0), cost: 1 Second rule: l2 -> l0 : __disjvr_0^0'=__disjvr_0^post6, __disjvr_1^0'=__disjvr_1^post6, x^0'=x^post6, y^0'=y^post6, (-__disjvr_1^0+__disjvr_1^post6 == 0 /\ __disjvr_0^0-__disjvr_0^post6 == 0 /\ __disjvr_1^0-__disjvr_1^post6 == 0 /\ -x^post6+x^0 == 0 /\ -y^post6+y^0 == 0), cost: 1 New rule: l1 -> l0 : __disjvr_0^0'=__disjvr_0^post6, __disjvr_1^0'=__disjvr_1^post6, x^0'=x^post6, y^0'=y^post6, (__disjvr_1^0-__disjvr_1^post5 == 0 /\ -__disjvr_0^post5+__disjvr_0^0 == 0 /\ __disjvr_0^post5-__disjvr_0^post6 == 0 /\ __disjvr_0^post5-__disjvr_0^0 == 0 /\ x^post5-x^post6 == 0 /\ -y^post5+y^0 == 0 /\ -__disjvr_1^post5+__disjvr_1^post6 == 0 /\ __disjvr_1^post5-__disjvr_1^post6 == 0 /\ y^post5-y^post6 == 0 /\ -x^post5+x^0 == 0), cost: 1 Applied deletion Removed the following rules: 4 5 Simplified Transitions Start location: l4 Program variables: x^0 y^0 10: l0 -> l1 : x^0'=1+x^0, (1+x^0-y^0 <= 0 /\ -x^0-y^0 <= 0), cost: 1 11: l0 -> l1 : y^0'=1+y^0, (x^0-y^0 <= 0 /\ 1+x^0+y^0 <= 0), cost: 1 12: l0 -> l1 : x^0'=-1+x^0, (-1+x^0+y^0 <= 0 /\ 1-x^0+y^0 <= 0), cost: 1 13: l0 -> l1 : y^0'=-1+y^0, (-x^0+y^0 <= 0 /\ 2-x^0-y^0 <= 0), cost: 1 15: l1 -> l0 : T, cost: 1 14: l4 -> l1 : T, cost: 1 Propagated Equalities Original rule: l0 -> l1 : __disjvr_0^0'=__disjvr_0^post1, __disjvr_1^0'=__disjvr_1^post1, x^0'=x^post1, y^0'=y^post1, (1+x^0-y^0 <= 0 /\ __disjvr_1^0-__disjvr_1^post1 == 0 /\ -y^post1+y^0 == 0 /\ -1+x^post1-x^0 == 0 /\ -x^0-y^0 <= 0 /\ -__disjvr_0^post1+__disjvr_0^0 == 0), cost: 1 New rule: l0 -> l1 : __disjvr_0^0'=__disjvr_0^0, __disjvr_1^0'=__disjvr_1^0, x^0'=1+x^0, y^0'=y^0, (0 == 0 /\ 1+x^0-y^0 <= 0 /\ -x^0-y^0 <= 0), cost: 1 propagated equality __disjvr_1^post1 = __disjvr_1^0 propagated equality y^post1 = y^0 propagated equality x^post1 = 1+x^0 propagated equality __disjvr_0^post1 = __disjvr_0^0 Simplified Guard Original rule: l0 -> l1 : __disjvr_0^0'=__disjvr_0^0, __disjvr_1^0'=__disjvr_1^0, x^0'=1+x^0, y^0'=y^0, (0 == 0 /\ 1+x^0-y^0 <= 0 /\ -x^0-y^0 <= 0), cost: 1 New rule: l0 -> l1 : __disjvr_0^0'=__disjvr_0^0, __disjvr_1^0'=__disjvr_1^0, x^0'=1+x^0, y^0'=y^0, (1+x^0-y^0 <= 0 /\ -x^0-y^0 <= 0), cost: 1 Removed Trivial Updates Original rule: l0 -> l1 : __disjvr_0^0'=__disjvr_0^0, __disjvr_1^0'=__disjvr_1^0, x^0'=1+x^0, y^0'=y^0, (1+x^0-y^0 <= 0 /\ -x^0-y^0 <= 0), cost: 1 New rule: l0 -> l1 : x^0'=1+x^0, (1+x^0-y^0 <= 0 /\ -x^0-y^0 <= 0), cost: 1 Propagated Equalities Original rule: l0 -> l1 : __disjvr_0^0'=__disjvr_0^post2, __disjvr_1^0'=__disjvr_1^post2, x^0'=x^post2, y^0'=y^post2, (-__disjvr_1^post2+__disjvr_1^0 == 0 /\ x^0-y^0 <= 0 /\ __disjvr_0^0-__disjvr_0^post2 == 0 /\ -1+y^post2-y^0 == 0 /\ -x^post2+x^0 == 0 /\ 1+x^0+y^0 <= 0), cost: 1 New rule: l0 -> l1 : __disjvr_0^0'=__disjvr_0^0, __disjvr_1^0'=__disjvr_1^0, x^0'=x^0, y^0'=1+y^0, (0 == 0 /\ x^0-y^0 <= 0 /\ 1+x^0+y^0 <= 0), cost: 1 propagated equality __disjvr_1^post2 = __disjvr_1^0 propagated equality __disjvr_0^post2 = __disjvr_0^0 propagated equality y^post2 = 1+y^0 propagated equality x^post2 = x^0 Simplified Guard Original rule: l0 -> l1 : __disjvr_0^0'=__disjvr_0^0, __disjvr_1^0'=__disjvr_1^0, x^0'=x^0, y^0'=1+y^0, (0 == 0 /\ x^0-y^0 <= 0 /\ 1+x^0+y^0 <= 0), cost: 1 New rule: l0 -> l1 : __disjvr_0^0'=__disjvr_0^0, __disjvr_1^0'=__disjvr_1^0, x^0'=x^0, y^0'=1+y^0, (x^0-y^0 <= 0 /\ 1+x^0+y^0 <= 0), cost: 1 Removed Trivial Updates Original rule: l0 -> l1 : __disjvr_0^0'=__disjvr_0^0, __disjvr_1^0'=__disjvr_1^0, x^0'=x^0, y^0'=1+y^0, (x^0-y^0 <= 0 /\ 1+x^0+y^0 <= 0), cost: 1 New rule: l0 -> l1 : y^0'=1+y^0, (x^0-y^0 <= 0 /\ 1+x^0+y^0 <= 0), cost: 1 Propagated Equalities Original rule: l0 -> l1 : __disjvr_0^0'=__disjvr_0^post3, __disjvr_1^0'=__disjvr_1^post3, x^0'=x^post3, y^0'=y^post3, (-y^post3+y^0 == 0 /\ __disjvr_1^0-__disjvr_1^post3 == 0 /\ -1+x^0+y^0 <= 0 /\ -__disjvr_0^post3+__disjvr_0^0 == 0 /\ 1-x^0+y^0 <= 0 /\ 1+x^post3-x^0 == 0), cost: 1 New rule: l0 -> l1 : __disjvr_0^0'=__disjvr_0^0, __disjvr_1^0'=__disjvr_1^0, x^0'=-1+x^0, y^0'=y^0, (0 == 0 /\ -1+x^0+y^0 <= 0 /\ 1-x^0+y^0 <= 0), cost: 1 propagated equality y^post3 = y^0 propagated equality __disjvr_1^post3 = __disjvr_1^0 propagated equality __disjvr_0^post3 = __disjvr_0^0 propagated equality x^post3 = -1+x^0 Simplified Guard Original rule: l0 -> l1 : __disjvr_0^0'=__disjvr_0^0, __disjvr_1^0'=__disjvr_1^0, x^0'=-1+x^0, y^0'=y^0, (0 == 0 /\ -1+x^0+y^0 <= 0 /\ 1-x^0+y^0 <= 0), cost: 1 New rule: l0 -> l1 : __disjvr_0^0'=__disjvr_0^0, __disjvr_1^0'=__disjvr_1^0, x^0'=-1+x^0, y^0'=y^0, (-1+x^0+y^0 <= 0 /\ 1-x^0+y^0 <= 0), cost: 1 Removed Trivial Updates Original rule: l0 -> l1 : __disjvr_0^0'=__disjvr_0^0, __disjvr_1^0'=__disjvr_1^0, x^0'=-1+x^0, y^0'=y^0, (-1+x^0+y^0 <= 0 /\ 1-x^0+y^0 <= 0), cost: 1 New rule: l0 -> l1 : x^0'=-1+x^0, (-1+x^0+y^0 <= 0 /\ 1-x^0+y^0 <= 0), cost: 1 Propagated Equalities Original rule: l0 -> l1 : __disjvr_0^0'=__disjvr_0^post4, __disjvr_1^0'=__disjvr_1^post4, x^0'=x^post4, y^0'=y^post4, (-__disjvr_0^post4+__disjvr_0^0 == 0 /\ x^0-x^post4 == 0 /\ 1+y^post4-y^0 == 0 /\ -x^0+y^0 <= 0 /\ __disjvr_1^0-__disjvr_1^post4 == 0 /\ 2-x^0-y^0 <= 0), cost: 1 New rule: l0 -> l1 : __disjvr_0^0'=__disjvr_0^0, __disjvr_1^0'=__disjvr_1^0, x^0'=x^0, y^0'=-1+y^0, (0 == 0 /\ -x^0+y^0 <= 0 /\ 2-x^0-y^0 <= 0), cost: 1 propagated equality __disjvr_0^post4 = __disjvr_0^0 propagated equality x^post4 = x^0 propagated equality y^post4 = -1+y^0 propagated equality __disjvr_1^post4 = __disjvr_1^0 Simplified Guard Original rule: l0 -> l1 : __disjvr_0^0'=__disjvr_0^0, __disjvr_1^0'=__disjvr_1^0, x^0'=x^0, y^0'=-1+y^0, (0 == 0 /\ -x^0+y^0 <= 0 /\ 2-x^0-y^0 <= 0), cost: 1 New rule: l0 -> l1 : __disjvr_0^0'=__disjvr_0^0, __disjvr_1^0'=__disjvr_1^0, x^0'=x^0, y^0'=-1+y^0, (-x^0+y^0 <= 0 /\ 2-x^0-y^0 <= 0), cost: 1 Removed Trivial Updates Original rule: l0 -> l1 : __disjvr_0^0'=__disjvr_0^0, __disjvr_1^0'=__disjvr_1^0, x^0'=x^0, y^0'=-1+y^0, (-x^0+y^0 <= 0 /\ 2-x^0-y^0 <= 0), cost: 1 New rule: l0 -> l1 : y^0'=-1+y^0, (-x^0+y^0 <= 0 /\ 2-x^0-y^0 <= 0), cost: 1 Propagated Equalities Original rule: l4 -> l1 : __disjvr_0^0'=__disjvr_0^post7, __disjvr_1^0'=__disjvr_1^post7, x^0'=x^post7, y^0'=y^post7, (-__disjvr_1^post7+__disjvr_1^post8 == 0 /\ __disjvr_1^0-__disjvr_1^post8 == 0 /\ -__disjvr_0^post8+__disjvr_0^0 == 0 /\ -x^post7+x^post8 == 0 /\ __disjvr_0^post8-__disjvr_0^post7 == 0 /\ x^0-x^post8 == 0 /\ y^post8-y^post7 == 0 /\ -y^post8+y^0 == 0), cost: 1 New rule: l4 -> l1 : __disjvr_0^0'=__disjvr_0^post8, __disjvr_1^0'=__disjvr_1^post8, x^0'=x^post8, y^0'=y^post8, (0 == 0 /\ __disjvr_1^0-__disjvr_1^post8 == 0 /\ -__disjvr_0^post8+__disjvr_0^0 == 0 /\ x^0-x^post8 == 0 /\ -y^post8+y^0 == 0), cost: 1 propagated equality __disjvr_1^post7 = __disjvr_1^post8 propagated equality x^post7 = x^post8 propagated equality __disjvr_0^post7 = __disjvr_0^post8 propagated equality y^post7 = y^post8 Propagated Equalities Original rule: l4 -> l1 : __disjvr_0^0'=__disjvr_0^post8, __disjvr_1^0'=__disjvr_1^post8, x^0'=x^post8, y^0'=y^post8, (0 == 0 /\ __disjvr_1^0-__disjvr_1^post8 == 0 /\ -__disjvr_0^post8+__disjvr_0^0 == 0 /\ x^0-x^post8 == 0 /\ -y^post8+y^0 == 0), cost: 1 New rule: l4 -> l1 : __disjvr_0^0'=__disjvr_0^0, __disjvr_1^0'=__disjvr_1^0, x^0'=x^0, y^0'=y^0, 0 == 0, cost: 1 propagated equality __disjvr_1^post8 = __disjvr_1^0 propagated equality __disjvr_0^post8 = __disjvr_0^0 propagated equality x^post8 = x^0 propagated equality y^post8 = y^0 Simplified Guard Original rule: l4 -> l1 : __disjvr_0^0'=__disjvr_0^0, __disjvr_1^0'=__disjvr_1^0, x^0'=x^0, y^0'=y^0, 0 == 0, cost: 1 New rule: l4 -> l1 : __disjvr_0^0'=__disjvr_0^0, __disjvr_1^0'=__disjvr_1^0, x^0'=x^0, y^0'=y^0, T, cost: 1 Removed Trivial Updates Original rule: l4 -> l1 : __disjvr_0^0'=__disjvr_0^0, __disjvr_1^0'=__disjvr_1^0, x^0'=x^0, y^0'=y^0, T, cost: 1 New rule: l4 -> l1 : T, cost: 1 Propagated Equalities Original rule: l1 -> l0 : __disjvr_0^0'=__disjvr_0^post6, __disjvr_1^0'=__disjvr_1^post6, x^0'=x^post6, y^0'=y^post6, (__disjvr_1^0-__disjvr_1^post5 == 0 /\ -__disjvr_0^post5+__disjvr_0^0 == 0 /\ __disjvr_0^post5-__disjvr_0^post6 == 0 /\ __disjvr_0^post5-__disjvr_0^0 == 0 /\ x^post5-x^post6 == 0 /\ -y^post5+y^0 == 0 /\ -__disjvr_1^post5+__disjvr_1^post6 == 0 /\ __disjvr_1^post5-__disjvr_1^post6 == 0 /\ y^post5-y^post6 == 0 /\ -x^post5+x^0 == 0), cost: 1 New rule: l1 -> l0 : __disjvr_0^0'=__disjvr_0^post5, __disjvr_1^0'=__disjvr_1^post5, x^0'=x^post5, y^0'=y^post5, (0 == 0 /\ __disjvr_1^0-__disjvr_1^post5 == 0 /\ -__disjvr_0^post5+__disjvr_0^0 == 0 /\ __disjvr_0^post5-__disjvr_0^0 == 0 /\ -y^post5+y^0 == 0 /\ -x^post5+x^0 == 0), cost: 1 propagated equality __disjvr_0^post6 = __disjvr_0^post5 propagated equality x^post6 = x^post5 propagated equality __disjvr_1^post6 = __disjvr_1^post5 propagated equality y^post6 = y^post5 Propagated Equalities Original rule: l1 -> l0 : __disjvr_0^0'=__disjvr_0^post5, __disjvr_1^0'=__disjvr_1^post5, x^0'=x^post5, y^0'=y^post5, (0 == 0 /\ __disjvr_1^0-__disjvr_1^post5 == 0 /\ -__disjvr_0^post5+__disjvr_0^0 == 0 /\ __disjvr_0^post5-__disjvr_0^0 == 0 /\ -y^post5+y^0 == 0 /\ -x^post5+x^0 == 0), cost: 1 New rule: l1 -> l0 : __disjvr_0^0'=__disjvr_0^0, __disjvr_1^0'=__disjvr_1^0, x^0'=x^0, y^0'=y^0, 0 == 0, cost: 1 propagated equality __disjvr_1^post5 = __disjvr_1^0 propagated equality __disjvr_0^post5 = __disjvr_0^0 propagated equality y^post5 = y^0 propagated equality x^post5 = x^0 Simplified Guard Original rule: l1 -> l0 : __disjvr_0^0'=__disjvr_0^0, __disjvr_1^0'=__disjvr_1^0, x^0'=x^0, y^0'=y^0, 0 == 0, cost: 1 New rule: l1 -> l0 : __disjvr_0^0'=__disjvr_0^0, __disjvr_1^0'=__disjvr_1^0, x^0'=x^0, y^0'=y^0, T, cost: 1 Removed Trivial Updates Original rule: l1 -> l0 : __disjvr_0^0'=__disjvr_0^0, __disjvr_1^0'=__disjvr_1^0, x^0'=x^0, y^0'=y^0, T, cost: 1 New rule: l1 -> l0 : T, cost: 1 Step with 14 Trace 14[T] Blocked [{}, {}] Step with 15 Trace 14[T], 15[T] Blocked [{}, {}, {}] Step with 10 Trace 14[T], 15[T], 10[(1+x^0-y^0 <= 0 /\ -x^0-y^0 <= 0)] Blocked [{}, {}, {}, {}] Accelerate Start location: l4 Program variables: x^0 y^0 10: l0 -> l1 : x^0'=1+x^0, (1+x^0-y^0 <= 0 /\ -x^0-y^0 <= 0), cost: 1 11: l0 -> l1 : y^0'=1+y^0, (x^0-y^0 <= 0 /\ 1+x^0+y^0 <= 0), cost: 1 12: l0 -> l1 : x^0'=-1+x^0, (-1+x^0+y^0 <= 0 /\ 1-x^0+y^0 <= 0), cost: 1 13: l0 -> l1 : y^0'=-1+y^0, (-x^0+y^0 <= 0 /\ 2-x^0-y^0 <= 0), cost: 1 15: l1 -> l0 : T, cost: 1 16: l1 -> l1 : x^0'=x^0+n, (-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0), cost: 1 14: l4 -> l1 : T, cost: 1 Loop Acceleration Original rule: l1 -> l1 : x^0'=1+x^0, (1+x^0-y^0 <= 0 /\ -x^0-y^0 <= 0), cost: 1 New rule: l1 -> l1 : x^0'=x^0+n, (-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0), cost: 1 -1-x^0+y^0 >= 0 [0]: montonic decrease yields -x^0-n+y^0 >= 0 -1-x^0+y^0 >= 0 [1]: eventual increase yields (1 <= 0 /\ -1-x^0+y^0 >= 0) x^0+y^0 >= 0 [0]: monotonic increase yields x^0+y^0 >= 0 Replacement map: {-1-x^0+y^0 >= 0 -> -x^0-n+y^0 >= 0, x^0+y^0 >= 0 -> x^0+y^0 >= 0} Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {}, {16[T]}] Step with 15 Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 15[T] Blocked [{}, {}, {16[T]}, {}] Step with 10 Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 15[T], 10[(1+x^0-y^0 <= 0 /\ -x^0-y^0 <= 0)] Blocked [{}, {}, {16[T]}, {}, {}] Covered Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 15[T] Blocked [{}, {}, {16[T]}, {10[T]}] Step with 13 Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 15[T], 13[(-x^0+y^0 <= 0 /\ 2-x^0-y^0 <= 0)] Blocked [{}, {}, {16[T]}, {10[T], 11[T], 12[T]}, {}] Accelerate Start location: l4 Program variables: x^0 y^0 10: l0 -> l1 : x^0'=1+x^0, (1+x^0-y^0 <= 0 /\ -x^0-y^0 <= 0), cost: 1 11: l0 -> l1 : y^0'=1+y^0, (x^0-y^0 <= 0 /\ 1+x^0+y^0 <= 0), cost: 1 12: l0 -> l1 : x^0'=-1+x^0, (-1+x^0+y^0 <= 0 /\ 1-x^0+y^0 <= 0), cost: 1 13: l0 -> l1 : y^0'=-1+y^0, (-x^0+y^0 <= 0 /\ 2-x^0-y^0 <= 0), cost: 1 15: l1 -> l0 : T, cost: 1 16: l1 -> l1 : x^0'=x^0+n, (-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0), cost: 1 17: l1 -> l1 : y^0'=-n2+y^0, (x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0), cost: 1 14: l4 -> l1 : T, cost: 1 Loop Acceleration Original rule: l1 -> l1 : y^0'=-1+y^0, (-x^0+y^0 <= 0 /\ 2-x^0-y^0 <= 0), cost: 1 New rule: l1 -> l1 : y^0'=-n2+y^0, (x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0), cost: 1 x^0-y^0 >= 0 [0]: monotonic increase yields x^0-y^0 >= 0 -2+x^0+y^0 >= 0 [0]: montonic decrease yields -1-n2+x^0+y^0 >= 0 -2+x^0+y^0 >= 0 [1]: eventual increase yields (1 <= 0 /\ -2+x^0+y^0 >= 0) Replacement map: {x^0-y^0 >= 0 -> x^0-y^0 >= 0, -2+x^0+y^0 >= 0 -> -1-n2+x^0+y^0 >= 0} Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)] Blocked [{}, {}, {16[T]}, {17[T]}] Acceleration Failed marked recursive suffix as redundant Step with 15 Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 15[T] Blocked [{}, {}, {16[T]}, {17[T]}, {}] Step with 13 Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 15[T], 13[(-x^0+y^0 <= 0 /\ 2-x^0-y^0 <= 0)] Blocked [{}, {}, {16[T]}, {17[T]}, {}, {}] Covered Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 15[T] Blocked [{}, {}, {16[T]}, {17[T]}, {13[T]}] Step with 12 Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 15[T], 12[(-1+x^0+y^0 <= 0 /\ 1-x^0+y^0 <= 0)] Blocked [{}, {}, {16[T]}, {17[T]}, {10[T], 11[T], 13[T]}, {}] Accelerate Start location: l4 Program variables: x^0 y^0 10: l0 -> l1 : x^0'=1+x^0, (1+x^0-y^0 <= 0 /\ -x^0-y^0 <= 0), cost: 1 11: l0 -> l1 : y^0'=1+y^0, (x^0-y^0 <= 0 /\ 1+x^0+y^0 <= 0), cost: 1 12: l0 -> l1 : x^0'=-1+x^0, (-1+x^0+y^0 <= 0 /\ 1-x^0+y^0 <= 0), cost: 1 13: l0 -> l1 : y^0'=-1+y^0, (-x^0+y^0 <= 0 /\ 2-x^0-y^0 <= 0), cost: 1 15: l1 -> l0 : T, cost: 1 16: l1 -> l1 : x^0'=x^0+n, (-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0), cost: 1 17: l1 -> l1 : y^0'=-n2+y^0, (x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0), cost: 1 18: l1 -> l1 : x^0'=-n3+x^0, (-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0), cost: 1 14: l4 -> l1 : T, cost: 1 Loop Acceleration Original rule: l1 -> l1 : x^0'=-1+x^0, (-1+x^0+y^0 <= 0 /\ 1-x^0+y^0 <= 0), cost: 1 New rule: l1 -> l1 : x^0'=-n3+x^0, (-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0), cost: 1 1-x^0-y^0 >= 0 [0]: monotonic increase yields 1-x^0-y^0 >= 0 -1+x^0-y^0 >= 0 [0]: montonic decrease yields -n3+x^0-y^0 >= 0 -1+x^0-y^0 >= 0 [1]: eventual increase yields (1 <= 0 /\ -1+x^0-y^0 >= 0) Replacement map: {1-x^0-y^0 >= 0 -> 1-x^0-y^0 >= 0, -1+x^0-y^0 >= 0 -> -n3+x^0-y^0 >= 0} Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {}, {16[T]}, {17[T]}, {18[T]}] Acceleration Failed marked recursive suffix as redundant Acceleration Failed marked recursive suffix as redundant Step with 15 Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 15[T] Blocked [{}, {}, {16[T]}, {17[T]}, {18[T]}, {}] Step with 12 Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 15[T], 12[(-1+x^0+y^0 <= 0 /\ 1-x^0+y^0 <= 0)] Blocked [{}, {}, {16[T]}, {17[T]}, {18[T]}, {}, {}] Covered Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 15[T] Blocked [{}, {}, {16[T]}, {17[T]}, {18[T]}, {12[T]}] Step with 11 Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 15[T], 11[(x^0-y^0 <= 0 /\ 1+x^0+y^0 <= 0)] Blocked [{}, {}, {16[T]}, {17[T]}, {18[T]}, {10[T], 12[T], 13[T]}, {}] Accelerate Start location: l4 Program variables: x^0 y^0 10: l0 -> l1 : x^0'=1+x^0, (1+x^0-y^0 <= 0 /\ -x^0-y^0 <= 0), cost: 1 11: l0 -> l1 : y^0'=1+y^0, (x^0-y^0 <= 0 /\ 1+x^0+y^0 <= 0), cost: 1 12: l0 -> l1 : x^0'=-1+x^0, (-1+x^0+y^0 <= 0 /\ 1-x^0+y^0 <= 0), cost: 1 13: l0 -> l1 : y^0'=-1+y^0, (-x^0+y^0 <= 0 /\ 2-x^0-y^0 <= 0), cost: 1 15: l1 -> l0 : T, cost: 1 16: l1 -> l1 : x^0'=x^0+n, (-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0), cost: 1 17: l1 -> l1 : y^0'=-n2+y^0, (x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0), cost: 1 18: l1 -> l1 : x^0'=-n3+x^0, (-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0), cost: 1 19: l1 -> l1 : y^0'=n4+y^0, (-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0), cost: 1 14: l4 -> l1 : T, cost: 1 Loop Acceleration Original rule: l1 -> l1 : y^0'=1+y^0, (x^0-y^0 <= 0 /\ 1+x^0+y^0 <= 0), cost: 1 New rule: l1 -> l1 : y^0'=n4+y^0, (-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0), cost: 1 -1-x^0-y^0 >= 0 [0]: montonic decrease yields -n4-x^0-y^0 >= 0 -1-x^0-y^0 >= 0 [1]: eventual increase yields (1 <= 0 /\ -1-x^0-y^0 >= 0) -x^0+y^0 >= 0 [0]: monotonic increase yields -x^0+y^0 >= 0 Replacement map: {-1-x^0-y^0 >= 0 -> -n4-x^0-y^0 >= 0, -x^0+y^0 >= 0 -> -x^0+y^0 >= 0} Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {}, {16[T]}, {17[T]}, {18[T]}, {19[T]}] Acceleration Failed marked recursive suffix as redundant Acceleration Failed marked recursive suffix as redundant Accelerate Start location: l4 Program variables: x^0 y^0 10: l0 -> l1 : x^0'=1+x^0, (1+x^0-y^0 <= 0 /\ -x^0-y^0 <= 0), cost: 1 11: l0 -> l1 : y^0'=1+y^0, (x^0-y^0 <= 0 /\ 1+x^0+y^0 <= 0), cost: 1 12: l0 -> l1 : x^0'=-1+x^0, (-1+x^0+y^0 <= 0 /\ 1-x^0+y^0 <= 0), cost: 1 13: l0 -> l1 : y^0'=-1+y^0, (-x^0+y^0 <= 0 /\ 2-x^0-y^0 <= 0), cost: 1 15: l1 -> l0 : T, cost: 1 16: l1 -> l1 : x^0'=x^0+n, (-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0), cost: 1 17: l1 -> l1 : y^0'=-n2+y^0, (x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0), cost: 1 18: l1 -> l1 : x^0'=-n3+x^0, (-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0), cost: 1 19: l1 -> l1 : y^0'=n4+y^0, (-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0), cost: 1 20: l1 -> l1 : x^0'=2-y^0, y^0'=2+n43-y^0, (-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0), cost: 1 14: l4 -> l1 : T, cost: 1 unrolling Original rule: l1 -> l1 : x^0'=1-y^0, y^0'=1+n4-y^0, (-2-n4+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -1+n4 >= 0 /\ x^0+y^0 >= 0), cost: 1 New rule: l1 -> l1 : x^0'=-n4+y^0, y^0'=n43-n4+y^0, (-1+n43 >= 0 /\ -2-n4+2*y^0 >= 0 /\ 2*n4-2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -n43+2*n4-2*y^0 >= 0 /\ 2+n4-2*y^0 >= 0 /\ -1+n4 >= 0 /\ x^0+y^0 >= 0), cost: 1 rule cannot be iterated more than once made implied equalities explicit Original rule: l1 -> l1 : x^0'=-n4+y^0, y^0'=n43-n4+y^0, (-1+n43 >= 0 /\ -2-n4+2*y^0 >= 0 /\ 2*n4-2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -n43+2*n4-2*y^0 >= 0 /\ 2+n4-2*y^0 >= 0 /\ -1+n4 >= 0 /\ x^0+y^0 >= 0), cost: 1 New rule: l1 -> l1 : x^0'=-n4+y^0, y^0'=n43-n4+y^0, (-1+n43 >= 0 /\ -2-n4+2*y^0 >= 0 /\ 2*n4-2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -n43+2*n4-2*y^0 >= 0 /\ 2+n4-2*y^0 >= 0 /\ 2+n4-2*y^0 == 0 /\ -1+n4 >= 0 /\ x^0+y^0 >= 0), cost: 1 Propagated Equalities Original rule: l1 -> l1 : x^0'=-n4+y^0, y^0'=n43-n4+y^0, (-1+n43 >= 0 /\ -2-n4+2*y^0 >= 0 /\ 2*n4-2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -n43+2*n4-2*y^0 >= 0 /\ 2+n4-2*y^0 >= 0 /\ 2+n4-2*y^0 == 0 /\ -1+n4 >= 0 /\ x^0+y^0 >= 0), cost: 1 New rule: l1 -> l1 : x^0'=2-y^0, y^0'=2+n43-y^0, (0 >= 0 /\ 0 == 0 /\ -1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0), cost: 1 propagated equality n4 = -2+2*y^0 Simplified Guard Original rule: l1 -> l1 : x^0'=2-y^0, y^0'=2+n43-y^0, (0 >= 0 /\ 0 == 0 /\ -1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0), cost: 1 New rule: l1 -> l1 : x^0'=2-y^0, y^0'=2+n43-y^0, (-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0), cost: 1 Trace 14[T], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {}, {20[T]}] Restart Step with 14 Trace 14[T] Blocked [{}, {}] Step with 15 Trace 14[T], 15[T] Blocked [{}, {}, {}] Step with 12 Trace 14[T], 15[T], 12[(-1+x^0+y^0 <= 0 /\ 1-x^0+y^0 <= 0)] Blocked [{}, {}, {}, {}] Covered Trace 14[T], 15[T] Blocked [{}, {}, {12[T]}] Step with 13 Trace 14[T], 15[T], 13[(-x^0+y^0 <= 0 /\ 2-x^0-y^0 <= 0)] Blocked [{}, {}, {12[T]}, {}] Covered Trace 14[T], 15[T] Blocked [{}, {}, {12[T], 13[T]}] Step with 11 Trace 14[T], 15[T], 11[(x^0-y^0 <= 0 /\ 1+x^0+y^0 <= 0)] Blocked [{}, {}, {12[T], 13[T]}, {}] Covered Trace 14[T], 15[T] Blocked [{}, {}, {11[T], 12[T], 13[T]}] Step with 10 Trace 14[T], 15[T], 10[(1+x^0-y^0 <= 0 /\ -x^0-y^0 <= 0)] Blocked [{}, {}, {11[T], 12[T], 13[T]}, {}] Covered Trace 14[T], 15[T] Blocked [{}, {}, {10[T], 11[T], 12[T], 13[T]}] Backtrack Trace 14[T] Blocked [{}, {15[T]}] Step with 16 Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T]}, {16[T]}] Step with 17 Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)] Blocked [{}, {15[T]}, {16[T], 19[T]}, {17[T]}] Step with 18 Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T]}, {16[T], 19[T]}, {17[T]}, {18[T]}] Step with 15 Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 15[T] Blocked [{}, {15[T]}, {16[T], 19[T]}, {17[T]}, {18[T], 20[T]}, {}] Step with 12 Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 15[T], 12[(-1+x^0+y^0 <= 0 /\ 1-x^0+y^0 <= 0)] Blocked [{}, {15[T]}, {16[T], 19[T]}, {17[T]}, {18[T], 20[T]}, {10[T]}, {}] Covered Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 15[T] Blocked [{}, {15[T]}, {16[T], 19[T]}, {17[T]}, {18[T], 20[T]}, {10[T], 12[T]}] Step with 11 Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 15[T], 11[(x^0-y^0 <= 0 /\ 1+x^0+y^0 <= 0)] Blocked [{}, {15[T]}, {16[T], 19[T]}, {17[T]}, {18[T], 20[T]}, {10[T], 12[T], 13[T]}, {}] Covered Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 15[T] Blocked [{}, {15[T]}, {16[T], 19[T]}, {17[T]}, {18[T], 20[T]}, {10[T], 11[T], 12[T], 13[T]}] Backtrack Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T]}, {16[T], 19[T]}, {17[T]}, {15[T], 18[T], 20[T]}] Step with 19 Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T]}, {16[T], 19[T]}, {17[T]}, {15[T], 16[T], 18[T], 20[T]}, {19[T]}] Covered Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T]}, {16[T], 19[T]}, {17[T]}, {15[T], 16[T], 18[T], 19[T], 20[T]}] Backtrack Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)] Blocked [{}, {15[T]}, {16[T], 19[T]}, {17[T], 18[T]}] Step with 15 Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 15[T] Blocked [{}, {15[T]}, {16[T], 19[T]}, {17[T], 18[T], 19[T], 20[T]}, {}] Step with 12 Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 15[T], 12[(-1+x^0+y^0 <= 0 /\ 1-x^0+y^0 <= 0)] Blocked [{}, {15[T]}, {16[T], 19[T]}, {17[T], 18[T], 19[T], 20[T]}, {10[T], 11[T]}, {}] Covered Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 15[T] Blocked [{}, {15[T]}, {16[T], 19[T]}, {17[T], 18[T], 19[T], 20[T]}, {10[T], 11[T], 12[T]}] Step with 13 Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 15[T], 13[(-x^0+y^0 <= 0 /\ 2-x^0-y^0 <= 0)] Blocked [{}, {15[T]}, {16[T], 19[T]}, {17[T], 18[T], 19[T], 20[T]}, {10[T], 11[T], 12[T]}, {}] Covered Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 15[T] Blocked [{}, {15[T]}, {16[T], 19[T]}, {17[T], 18[T], 19[T], 20[T]}, {10[T], 11[T], 12[T], 13[T]}] Backtrack Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)] Blocked [{}, {15[T]}, {16[T], 19[T]}, {15[T], 17[T], 18[T], 19[T], 20[T]}] Backtrack Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T]}, {16[T], 17[T], 19[T]}] Step with 15 Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 15[T] Blocked [{}, {15[T]}, {16[T], 17[T], 19[T]}, {}] Step with 13 Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 15[T], 13[(-x^0+y^0 <= 0 /\ 2-x^0-y^0 <= 0)] Blocked [{}, {15[T]}, {16[T], 17[T], 19[T]}, {}, {}] Covered Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 15[T] Blocked [{}, {15[T]}, {16[T], 17[T], 19[T]}, {13[T]}] Step with 10 Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 15[T], 10[(1+x^0-y^0 <= 0 /\ -x^0-y^0 <= 0)] Blocked [{}, {15[T]}, {16[T], 17[T], 19[T]}, {11[T], 13[T]}, {}] Covered Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 15[T] Blocked [{}, {15[T]}, {16[T], 17[T], 19[T]}, {10[T], 11[T], 13[T]}] Backtrack Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T]}, {15[T], 16[T], 17[T], 19[T]}] Step with 20 Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T]}, {15[T], 16[T], 17[T], 18[T], 19[T]}, {20[T]}] Covered Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T]}] Backtrack Trace 14[T] Blocked [{}, {15[T], 16[T]}] Step with 20 Trace 14[T], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T]}, {20[T]}] Step with 15 Trace 14[T], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T]}, {20[T]}, {}] Step with 10 Trace 14[T], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 15[T], 10[(1+x^0-y^0 <= 0 /\ -x^0-y^0 <= 0)] Blocked [{}, {15[T], 16[T]}, {20[T]}, {}, {}] Covered Trace 14[T], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T]}, {20[T]}, {10[T]}] Step with 11 Trace 14[T], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 15[T], 11[(x^0-y^0 <= 0 /\ 1+x^0+y^0 <= 0)] Blocked [{}, {15[T], 16[T]}, {20[T]}, {10[T], 12[T], 13[T]}, {}] Covered Trace 14[T], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T]}, {20[T]}, {10[T], 11[T], 12[T], 13[T]}] Backtrack Trace 14[T], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T]}, {15[T], 20[T]}] Step with 16 Trace 14[T], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T]}, {15[T], 20[T]}, {16[T]}] Accelerate Start location: l4 Program variables: x^0 y^0 10: l0 -> l1 : x^0'=1+x^0, (1+x^0-y^0 <= 0 /\ -x^0-y^0 <= 0), cost: 1 11: l0 -> l1 : y^0'=1+y^0, (x^0-y^0 <= 0 /\ 1+x^0+y^0 <= 0), cost: 1 12: l0 -> l1 : x^0'=-1+x^0, (-1+x^0+y^0 <= 0 /\ 1-x^0+y^0 <= 0), cost: 1 13: l0 -> l1 : y^0'=-1+y^0, (-x^0+y^0 <= 0 /\ 2-x^0-y^0 <= 0), cost: 1 15: l1 -> l0 : T, cost: 1 16: l1 -> l1 : x^0'=x^0+n, (-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0), cost: 1 17: l1 -> l1 : y^0'=-n2+y^0, (x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0), cost: 1 18: l1 -> l1 : x^0'=-n3+x^0, (-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0), cost: 1 19: l1 -> l1 : y^0'=n4+y^0, (-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0), cost: 1 20: l1 -> l1 : x^0'=2-y^0, y^0'=2+n43-y^0, (-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0), cost: 1 21: l1 -> l1 : x^0'=2*n7+n-y^0, y^0'=-2*n7+y^0, (-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0), cost: 1 14: l4 -> l1 : T, cost: 1 Loop Acceleration Original rule: l1 -> l1 : x^0'=2+n-y^0, y^0'=-2+y^0, (-4+2*y^0 >= 0 /\ -5+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n+2*y^0 >= 0 /\ x^0+y^0 >= 0), cost: 1 New rule: l1 -> l1 : x^0'=2*n7+n-y^0, y^0'=-2*n7+y^0, (-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0), cost: 1 -4+2*y^0 >= 0 [0]: montonic decrease yields -4*n7+2*y^0 >= 0, dependencies: -5+2*y^0 >= 0 -4+2*y^0 >= 0 [1]: eventual decrease yields (-4*n7+2*y^0 >= 0 /\ -4+2*y^0 >= 0) -4+2*y^0 >= 0 [2]: eventual increase yields (-4+2*y^0 >= 0 /\ 4 <= 0) -5+2*y^0 >= 0 [0]: montonic decrease yields -1-4*n7+2*y^0 >= 0 -5+2*y^0 >= 0 [1]: eventual increase yields (-5+2*y^0 >= 0 /\ 4 <= 0) -3+2*y^0 >= 0 [0]: montonic decrease yields 1-4*n7+2*y^0 >= 0 -3+2*y^0 >= 0 [1]: eventual increase yields (-3+2*y^0 >= 0 /\ 4 <= 0) -2+2*y^0 >= 0 [0]: monotonic increase yields -2+2*y^0 >= 0, dependencies: -5+2*y^0 >= 0 -1+n >= 0 [0]: monotonic increase yields -1+n >= 0 -1-x^0+y^0 >= 0 [0]: eventual decrease yields (3-4*n7-n+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0) -4-n+2*y^0 >= 0 [0]: montonic decrease yields -4*n7-n+2*y^0 >= 0 -4-n+2*y^0 >= 0 [1]: eventual increase yields (4 <= 0 /\ -4-n+2*y^0 >= 0) x^0+y^0 >= 0 [0]: monotonic increase yields x^0+y^0 >= 0, dependencies: -1+n >= 0 Replacement map: {-4+2*y^0 >= 0 -> -4*n7+2*y^0 >= 0, -5+2*y^0 >= 0 -> -1-4*n7+2*y^0 >= 0, -3+2*y^0 >= 0 -> 1-4*n7+2*y^0 >= 0, -2+2*y^0 >= 0 -> -2+2*y^0 >= 0, -1+n >= 0 -> -1+n >= 0, -1-x^0+y^0 >= 0 -> (3-4*n7-n+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0), -4-n+2*y^0 >= 0 -> -4*n7-n+2*y^0 >= 0, x^0+y^0 >= 0 -> x^0+y^0 >= 0} Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T]}, {21[T]}] Step with 15 Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T]}, {21[T]}, {}] Step with 10 Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 15[T], 10[(1+x^0-y^0 <= 0 /\ -x^0-y^0 <= 0)] Blocked [{}, {15[T], 16[T]}, {21[T]}, {11[T]}, {}] Covered Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T]}, {21[T]}, {10[T], 11[T]}] Step with 13 Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 15[T], 13[(-x^0+y^0 <= 0 /\ 2-x^0-y^0 <= 0)] Blocked [{}, {15[T], 16[T]}, {21[T]}, {10[T], 11[T], 12[T]}, {}] Covered Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T]}, {21[T]}, {10[T], 11[T], 12[T], 13[T]}] Backtrack Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T]}, {15[T], 21[T]}] Step with 16 Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T]}, {15[T], 21[T]}, {16[T]}] Covered Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T]}, {15[T], 16[T], 21[T]}] Step with 17 Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)] Blocked [{}, {15[T], 16[T]}, {15[T], 16[T], 19[T], 21[T]}, {17[T]}] Acceleration Failed marked recursive suffix as redundant Step with 18 Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T], 16[T]}, {15[T], 16[T], 19[T], 21[T]}, {17[T]}, {18[T]}] Acceleration Failed marked recursive suffix as redundant Step with 15 Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 15[T] Blocked [{}, {15[T], 16[T]}, {15[T], 16[T], 19[T], 21[T]}, {17[T]}, {18[T], 20[T], 21[T]}, {}] Step with 11 Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 15[T], 11[(x^0-y^0 <= 0 /\ 1+x^0+y^0 <= 0)] Blocked [{}, {15[T], 16[T]}, {15[T], 16[T], 19[T], 21[T]}, {17[T]}, {18[T], 20[T], 21[T]}, {13[T]}, {}] Covered Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 15[T] Blocked [{}, {15[T], 16[T]}, {15[T], 16[T], 19[T], 21[T]}, {17[T]}, {18[T], 20[T], 21[T]}, {11[T], 13[T]}] Step with 12 Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 15[T], 12[(-1+x^0+y^0 <= 0 /\ 1-x^0+y^0 <= 0)] Blocked [{}, {15[T], 16[T]}, {15[T], 16[T], 19[T], 21[T]}, {17[T]}, {18[T], 20[T], 21[T]}, {10[T], 11[T], 13[T]}, {}] Covered Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 15[T] Blocked [{}, {15[T], 16[T]}, {15[T], 16[T], 19[T], 21[T]}, {17[T]}, {18[T], 20[T], 21[T]}, {10[T], 11[T], 12[T], 13[T]}] Backtrack Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T], 16[T]}, {15[T], 16[T], 19[T], 21[T]}, {17[T]}, {15[T], 18[T], 20[T], 21[T]}] Step with 19 Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T]}, {15[T], 16[T], 19[T], 21[T]}, {17[T]}, {15[T], 16[T], 18[T], 20[T], 21[T]}, {19[T]}] Covered Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T], 16[T]}, {15[T], 16[T], 19[T], 21[T]}, {17[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T]}] Backtrack Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)] Blocked [{}, {15[T], 16[T]}, {15[T], 16[T], 19[T], 21[T]}, {17[T], 18[T]}] Step with 15 Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 15[T] Blocked [{}, {15[T], 16[T]}, {15[T], 16[T], 19[T], 21[T]}, {17[T], 18[T], 19[T], 20[T], 21[T]}, {}] Step with 12 Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 15[T], 12[(-1+x^0+y^0 <= 0 /\ 1-x^0+y^0 <= 0)] Blocked [{}, {15[T], 16[T]}, {15[T], 16[T], 19[T], 21[T]}, {17[T], 18[T], 19[T], 20[T], 21[T]}, {}, {}] Covered Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 15[T] Blocked [{}, {15[T], 16[T]}, {15[T], 16[T], 19[T], 21[T]}, {17[T], 18[T], 19[T], 20[T], 21[T]}, {12[T]}] Step with 13 Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 15[T], 13[(-x^0+y^0 <= 0 /\ 2-x^0-y^0 <= 0)] Blocked [{}, {15[T], 16[T]}, {15[T], 16[T], 19[T], 21[T]}, {17[T], 18[T], 19[T], 20[T], 21[T]}, {12[T]}, {}] Covered Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 15[T] Blocked [{}, {15[T], 16[T]}, {15[T], 16[T], 19[T], 21[T]}, {17[T], 18[T], 19[T], 20[T], 21[T]}, {12[T], 13[T]}] Backtrack Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)] Blocked [{}, {15[T], 16[T]}, {15[T], 16[T], 19[T], 21[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T]}] Backtrack Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T]}, {15[T], 16[T], 17[T], 19[T], 21[T]}] Step with 20 Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 21[T]}, {20[T]}] Covered Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T], 21[T]}] Backtrack Trace 14[T] Blocked [{}, {15[T], 16[T], 21[T]}] Step with 20 Trace 14[T], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T]}, {20[T]}] Step with 21 Trace 14[T], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T]}, {20[T]}, {21[T]}] Covered Trace 14[T], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T]}, {20[T], 21[T]}] Step with 15 Trace 14[T], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 21[T]}, {20[T], 21[T]}, {}] Step with 11 Trace 14[T], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 15[T], 11[(x^0-y^0 <= 0 /\ 1+x^0+y^0 <= 0)] Blocked [{}, {15[T], 16[T], 21[T]}, {20[T], 21[T]}, {13[T]}, {}] Covered Trace 14[T], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 21[T]}, {20[T], 21[T]}, {11[T], 13[T]}] Step with 10 Trace 14[T], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 15[T], 10[(1+x^0-y^0 <= 0 /\ -x^0-y^0 <= 0)] Blocked [{}, {15[T], 16[T], 21[T]}, {20[T], 21[T]}, {11[T], 13[T]}, {}] Covered Trace 14[T], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 21[T]}, {20[T], 21[T]}, {10[T], 11[T], 13[T]}] Backtrack Trace 14[T], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T]}, {15[T], 20[T], 21[T]}] Step with 16 Trace 14[T], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T]}, {15[T], 20[T], 21[T]}, {16[T]}] Covered Trace 14[T], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T]}, {15[T], 16[T], 20[T], 21[T]}] Step with 19 Trace 14[T], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 21[T]}, {15[T], 16[T], 20[T], 21[T]}, {19[T]}] Covered Trace 14[T], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T]}, {15[T], 16[T], 19[T], 20[T], 21[T]}] Backtrack Trace 14[T] Blocked [{}, {15[T], 16[T], 20[T], 21[T]}] Step with 19 Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T]}, {19[T]}] Step with 20 Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T]}, {17[T], 18[T], 19[T]}, {20[T]}] Accelerate Start location: l4 Program variables: x^0 y^0 10: l0 -> l1 : x^0'=1+x^0, (1+x^0-y^0 <= 0 /\ -x^0-y^0 <= 0), cost: 1 11: l0 -> l1 : y^0'=1+y^0, (x^0-y^0 <= 0 /\ 1+x^0+y^0 <= 0), cost: 1 12: l0 -> l1 : x^0'=-1+x^0, (-1+x^0+y^0 <= 0 /\ 1-x^0+y^0 <= 0), cost: 1 13: l0 -> l1 : y^0'=-1+y^0, (-x^0+y^0 <= 0 /\ 2-x^0-y^0 <= 0), cost: 1 15: l1 -> l0 : T, cost: 1 16: l1 -> l1 : x^0'=x^0+n, (-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0), cost: 1 17: l1 -> l1 : y^0'=-n2+y^0, (x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0), cost: 1 18: l1 -> l1 : x^0'=-n3+x^0, (-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0), cost: 1 19: l1 -> l1 : y^0'=n4+y^0, (-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0), cost: 1 20: l1 -> l1 : x^0'=2-y^0, y^0'=2+n43-y^0, (-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0), cost: 1 21: l1 -> l1 : x^0'=2*n7+n-y^0, y^0'=-2*n7+y^0, (-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0), cost: 1 22: l1 -> l1 : x^0'=2*n12+x^0, y^0'=n43+2*n12+x^0, (-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0), cost: 1 14: l4 -> l1 : T, cost: 1 Loop Acceleration Original rule: l1 -> l1 : x^0'=2+x^0, y^0'=2+n43+x^0, (-1+n43 >= 0 /\ -4-n43-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -3-2*x^0 >= 0 /\ -4-2*x^0 >= 0), cost: 1 New rule: l1 -> l1 : x^0'=2*n12+x^0, y^0'=n43+2*n12+x^0, (-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0), cost: 1 -1+n43 >= 0 [0]: monotonic increase yields -1+n43 >= 0 -4-n43-2*x^0 >= 0 [0]: montonic decrease yields -n43-4*n12-2*x^0 >= 0 -4-n43-2*x^0 >= 0 [1]: eventual increase yields (-4-n43-2*x^0 >= 0 /\ 4 <= 0) -1-x^0-y^0 >= 0 [0]: eventual decrease yields (-1-x^0-y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0) -1-2*x^0 >= 0 [0]: monotonic increase yields -1-2*x^0 >= 0, dependencies: -1+n43 >= 0 -4-n43-2*x^0 >= 0 -x^0+y^0 >= 0 [0]: monotonic increase yields -x^0+y^0 >= 0, dependencies: -1+n43 >= 0 -2-2*x^0 >= 0 [0]: monotonic increase yields -2-2*x^0 >= 0, dependencies: -1+n43 >= 0 -4-n43-2*x^0 >= 0 -3-2*x^0 >= 0 [0]: montonic decrease yields 1-4*n12-2*x^0 >= 0, dependencies: -1+n43 >= 0 -4-n43-2*x^0 >= 0 -3-2*x^0 >= 0 [1]: eventual increase yields (4 <= 0 /\ -3-2*x^0 >= 0) -4-2*x^0 >= 0 [0]: montonic decrease yields -4*n12-2*x^0 >= 0, dependencies: -1+n43 >= 0 -4-n43-2*x^0 >= 0 -4-2*x^0 >= 0 [1]: eventual increase yields (4 <= 0 /\ -4-2*x^0 >= 0) Replacement map: {-1+n43 >= 0 -> -1+n43 >= 0, -4-n43-2*x^0 >= 0 -> -n43-4*n12-2*x^0 >= 0, -1-x^0-y^0 >= 0 -> (-1-x^0-y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0), -1-2*x^0 >= 0 -> -1-2*x^0 >= 0, -x^0+y^0 >= 0 -> -x^0+y^0 >= 0, -2-2*x^0 >= 0 -> -2-2*x^0 >= 0, -3-2*x^0 >= 0 -> 1-4*n12-2*x^0 >= 0, -4-2*x^0 >= 0 -> -4*n12-2*x^0 >= 0} Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T]}, {22[T]}] Step with 15 Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 20[T], 21[T]}, {22[T]}, {}] Step with 10 Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 15[T], 10[(1+x^0-y^0 <= 0 /\ -x^0-y^0 <= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T]}, {22[T]}, {}, {}] Covered Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 20[T], 21[T]}, {22[T]}, {10[T]}] Step with 11 Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 15[T], 11[(x^0-y^0 <= 0 /\ 1+x^0+y^0 <= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T]}, {22[T]}, {10[T], 12[T], 13[T]}, {}] Covered Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 20[T], 21[T]}, {22[T]}, {10[T], 11[T], 12[T], 13[T]}] Backtrack Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T]}, {15[T], 22[T]}] Step with 16 Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T]}, {15[T], 22[T]}, {16[T]}] Acceleration Failed marked recursive suffix as redundant Step with 17 Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T]}, {15[T], 22[T]}, {16[T], 19[T]}, {17[T]}] Acceleration Failed marked recursive suffix as redundant Step with 18 Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T]}, {15[T], 22[T]}, {16[T], 19[T]}, {17[T]}, {18[T]}] Accelerate Start location: l4 Program variables: x^0 y^0 10: l0 -> l1 : x^0'=1+x^0, (1+x^0-y^0 <= 0 /\ -x^0-y^0 <= 0), cost: 1 11: l0 -> l1 : y^0'=1+y^0, (x^0-y^0 <= 0 /\ 1+x^0+y^0 <= 0), cost: 1 12: l0 -> l1 : x^0'=-1+x^0, (-1+x^0+y^0 <= 0 /\ 1-x^0+y^0 <= 0), cost: 1 13: l0 -> l1 : y^0'=-1+y^0, (-x^0+y^0 <= 0 /\ 2-x^0-y^0 <= 0), cost: 1 15: l1 -> l0 : T, cost: 1 16: l1 -> l1 : x^0'=x^0+n, (-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0), cost: 1 17: l1 -> l1 : y^0'=-n2+y^0, (x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0), cost: 1 18: l1 -> l1 : x^0'=-n3+x^0, (-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0), cost: 1 19: l1 -> l1 : y^0'=n4+y^0, (-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0), cost: 1 20: l1 -> l1 : x^0'=2-y^0, y^0'=2+n43-y^0, (-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0), cost: 1 21: l1 -> l1 : x^0'=2*n7+n-y^0, y^0'=-2*n7+y^0, (-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0), cost: 1 22: l1 -> l1 : x^0'=2*n12+x^0, y^0'=n43+2*n12+x^0, (-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0), cost: 1 23: l1 -> l1 : x^0'=-1-2*n1212-2*n121-n37-x^0, y^0'=2+2*n1212+2*n121+x^0, (-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0), cost: 1 14: l4 -> l1 : T, cost: 1 unrolling Original rule: l1 -> l1 : x^0'=-n3-2*n121-x^0, y^0'=1+2*n121+x^0, (-1-n3-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -1+n3 >= 0), cost: 1 New rule: l1 -> l1 : x^0'=-2*n1212+n3+2*n121-n37+x^0, y^0'=1+2*n1212-n3-2*n121-x^0, (-2+n3 >= 0 /\ -1-n3-4*n121-2*x^0 >= 0 /\ 1+n3+4*n121+2*x^0 >= 0 /\ -1+2*n3+4*n121+2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -1-4*n1212+2*n3+4*n121+2*x^0 >= 0 /\ -1-4*n1212+2*n3+4*n121-n37+2*x^0 >= 0 /\ -1+n37 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n1212+2*n3+4*n121+2*x^0 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n1212+2*n3+4*n121+2*x^0 >= 0 /\ -2+2*n3+4*n121+2*x^0 >= 0 /\ 1-4*n1212+2*n3+4*n121+2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -1+n3 >= 0), cost: 1 rule cannot be iterated more than once made implied equalities explicit Original rule: l1 -> l1 : x^0'=-2*n1212+n3+2*n121-n37+x^0, y^0'=1+2*n1212-n3-2*n121-x^0, (-2+n3 >= 0 /\ -1-n3-4*n121-2*x^0 >= 0 /\ 1+n3+4*n121+2*x^0 >= 0 /\ -1+2*n3+4*n121+2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -1-4*n1212+2*n3+4*n121+2*x^0 >= 0 /\ -1-4*n1212+2*n3+4*n121-n37+2*x^0 >= 0 /\ -1+n37 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n1212+2*n3+4*n121+2*x^0 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n1212+2*n3+4*n121+2*x^0 >= 0 /\ -2+2*n3+4*n121+2*x^0 >= 0 /\ 1-4*n1212+2*n3+4*n121+2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -1+n3 >= 0), cost: 1 New rule: l1 -> l1 : x^0'=-2*n1212+n3+2*n121-n37+x^0, y^0'=1+2*n1212-n3-2*n121-x^0, (-2+n3 >= 0 /\ -1-n3-4*n121-2*x^0 >= 0 /\ 1+n3+4*n121+2*x^0 >= 0 /\ 1+n3+4*n121+2*x^0 == 0 /\ -1+2*n3+4*n121+2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -1-4*n1212+2*n3+4*n121+2*x^0 >= 0 /\ -1-4*n1212+2*n3+4*n121-n37+2*x^0 >= 0 /\ -1+n37 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n1212+2*n3+4*n121+2*x^0 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n1212+2*n3+4*n121+2*x^0 >= 0 /\ -2+2*n3+4*n121+2*x^0 >= 0 /\ 1-4*n1212+2*n3+4*n121+2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -1+n3 >= 0), cost: 1 Propagated Equalities Original rule: l1 -> l1 : x^0'=-2*n1212+n3+2*n121-n37+x^0, y^0'=1+2*n1212-n3-2*n121-x^0, (-2+n3 >= 0 /\ -1-n3-4*n121-2*x^0 >= 0 /\ 1+n3+4*n121+2*x^0 >= 0 /\ 1+n3+4*n121+2*x^0 == 0 /\ -1+2*n3+4*n121+2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -1-4*n1212+2*n3+4*n121+2*x^0 >= 0 /\ -1-4*n1212+2*n3+4*n121-n37+2*x^0 >= 0 /\ -1+n37 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n1212+2*n3+4*n121+2*x^0 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n1212+2*n3+4*n121+2*x^0 >= 0 /\ -2+2*n3+4*n121+2*x^0 >= 0 /\ 1-4*n1212+2*n3+4*n121+2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -1+n3 >= 0), cost: 1 New rule: l1 -> l1 : x^0'=-1-2*n1212-2*n121-n37-x^0, y^0'=2+2*n1212+2*n121+x^0, (0 >= 0 /\ 0 == 0 /\ -4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0), cost: 1 propagated equality n3 = -1-4*n121-2*x^0 Simplified Guard Original rule: l1 -> l1 : x^0'=-1-2*n1212-2*n121-n37-x^0, y^0'=2+2*n1212+2*n121+x^0, (0 >= 0 /\ 0 == 0 /\ -4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0), cost: 1 New rule: l1 -> l1 : x^0'=-1-2*n1212-2*n121-n37-x^0, y^0'=2+2*n1212+2*n121+x^0, (-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0), cost: 1 Trace 14[T], 23[(-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T]}, {23[T]}] Step with 15 Trace 14[T], 23[(-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 20[T], 21[T]}, {23[T]}, {}] Step with 11 Trace 14[T], 23[(-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0)], 15[T], 11[(x^0-y^0 <= 0 /\ 1+x^0+y^0 <= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T]}, {23[T]}, {}, {}] Covered Trace 14[T], 23[(-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 20[T], 21[T]}, {23[T]}, {11[T]}] Step with 12 Trace 14[T], 23[(-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0)], 15[T], 12[(-1+x^0+y^0 <= 0 /\ 1-x^0+y^0 <= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T]}, {23[T]}, {10[T], 11[T]}, {}] Covered Trace 14[T], 23[(-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 20[T], 21[T]}, {23[T]}, {10[T], 11[T], 12[T]}] Backtrack Trace 14[T], 23[(-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T]}, {15[T], 23[T]}] Step with 19 Trace 14[T], 23[(-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T]}, {15[T], 16[T], 23[T]}, {19[T]}] Covered Trace 14[T], 23[(-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T]}, {15[T], 16[T], 19[T], 23[T]}] Step with 18 Trace 14[T], 23[(-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T]}, {15[T], 16[T], 17[T], 19[T], 23[T]}, {18[T]}] Covered Trace 14[T], 23[(-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 23[T]}] Step with 22 Trace 14[T], 23[(-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T]}, {22[T]}] Covered Trace 14[T], 23[(-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T]}] Backtrack Trace 14[T] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 23[T]}] Step with 22 Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 23[T]}, {22[T]}] Step with 23 Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 23[(-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 23[T]}, {22[T]}, {23[T]}] Covered Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 23[T]}, {22[T], 23[T]}] Step with 15 Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 23[T]}, {22[T], 23[T]}, {}] Step with 11 Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 15[T], 11[(x^0-y^0 <= 0 /\ 1+x^0+y^0 <= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 23[T]}, {22[T], 23[T]}, {12[T], 13[T]}, {}] Covered Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 23[T]}, {22[T], 23[T]}, {11[T], 12[T], 13[T]}] Step with 10 Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 15[T], 10[(1+x^0-y^0 <= 0 /\ -x^0-y^0 <= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 23[T]}, {22[T], 23[T]}, {11[T], 12[T], 13[T]}, {}] Covered Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 23[T]}, {22[T], 23[T]}, {10[T], 11[T], 12[T], 13[T]}] Backtrack Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 23[T]}, {15[T], 22[T], 23[T]}] Step with 16 Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 23[T]}, {15[T], 22[T], 23[T]}, {16[T]}] Step with 17 Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 23[T]}, {15[T], 22[T], 23[T]}, {16[T], 19[T]}, {17[T]}] Step with 18 Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 23[T]}, {15[T], 22[T], 23[T]}, {16[T], 19[T]}, {17[T]}, {18[T]}] Covered Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 23[T]}, {15[T], 22[T], 23[T]}, {16[T], 19[T]}, {17[T], 18[T]}] Step with 15 Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 23[T]}, {15[T], 22[T], 23[T]}, {16[T], 19[T]}, {17[T], 18[T], 20[T], 21[T], 22[T], 23[T]}, {}] Step with 12 Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 15[T], 12[(-1+x^0+y^0 <= 0 /\ 1-x^0+y^0 <= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 23[T]}, {15[T], 22[T], 23[T]}, {16[T], 19[T]}, {17[T], 18[T], 20[T], 21[T], 22[T], 23[T]}, {10[T]}, {}] Covered Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 23[T]}, {15[T], 22[T], 23[T]}, {16[T], 19[T]}, {17[T], 18[T], 20[T], 21[T], 22[T], 23[T]}, {10[T], 12[T]}] Step with 13 Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 15[T], 13[(-x^0+y^0 <= 0 /\ 2-x^0-y^0 <= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 23[T]}, {15[T], 22[T], 23[T]}, {16[T], 19[T]}, {17[T], 18[T], 20[T], 21[T], 22[T], 23[T]}, {10[T], 12[T]}, {}] Covered Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 23[T]}, {15[T], 22[T], 23[T]}, {16[T], 19[T]}, {17[T], 18[T], 20[T], 21[T], 22[T], 23[T]}, {10[T], 12[T], 13[T]}] Backtrack Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 23[T]}, {15[T], 22[T], 23[T]}, {16[T], 19[T]}, {15[T], 17[T], 18[T], 20[T], 21[T], 22[T], 23[T]}] Backtrack Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 23[T]}, {15[T], 22[T], 23[T]}, {16[T], 17[T], 19[T]}] Step with 15 Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 23[T]}, {15[T], 22[T], 23[T]}, {16[T], 17[T], 19[T]}, {}] Step with 13 Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 15[T], 13[(-x^0+y^0 <= 0 /\ 2-x^0-y^0 <= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 23[T]}, {15[T], 22[T], 23[T]}, {16[T], 17[T], 19[T]}, {}, {}] Covered Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 23[T]}, {15[T], 22[T], 23[T]}, {16[T], 17[T], 19[T]}, {13[T]}] Step with 10 Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 15[T], 10[(1+x^0-y^0 <= 0 /\ -x^0-y^0 <= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 23[T]}, {15[T], 22[T], 23[T]}, {16[T], 17[T], 19[T]}, {11[T], 13[T]}, {}] Covered Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 23[T]}, {15[T], 22[T], 23[T]}, {16[T], 17[T], 19[T]}, {10[T], 11[T], 13[T]}] Backtrack Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 23[T]}, {15[T], 22[T], 23[T]}, {15[T], 16[T], 17[T], 19[T]}] Step with 21 Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 23[T]}, {15[T], 22[T], 23[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T]}, {21[T]}] Covered Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 23[T]}, {15[T], 22[T], 23[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T], 21[T]}] Backtrack Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 23[T]}, {15[T], 16[T], 22[T], 23[T]}] Step with 21 Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 23[T]}, {15[T], 16[T], 22[T], 23[T]}, {21[T]}] Covered Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 23[T]}, {15[T], 16[T], 21[T], 22[T], 23[T]}] Step with 19 Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 23[T]}, {15[T], 16[T], 21[T], 22[T], 23[T]}, {19[T]}] Covered Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 23[T]}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T]}] Step with 20 Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 23[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 21[T], 22[T], 23[T]}, {20[T]}] Covered Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 23[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T]}] Backtrack Trace 14[T] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 22[T], 23[T]}] Step with 19 Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 22[T], 23[T]}, {19[T]}] Step with 20 Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 22[T], 23[T]}, {17[T], 18[T], 19[T]}, {20[T]}] Covered Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 22[T], 23[T]}, {17[T], 18[T], 19[T], 20[T]}] Step with 21 Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 22[T], 23[T]}, {17[T], 18[T], 19[T], 20[T]}, {21[T]}] Covered Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 22[T], 23[T]}, {17[T], 18[T], 19[T], 20[T], 21[T]}] Step with 22 Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 22[T], 23[T]}, {17[T], 18[T], 19[T], 20[T], 21[T]}, {22[T]}] Covered Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 22[T], 23[T]}, {17[T], 18[T], 19[T], 20[T], 21[T], 22[T]}] Step with 23 Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 23[(-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 22[T], 23[T]}, {17[T], 18[T], 19[T], 20[T], 21[T], 22[T]}, {23[T]}] Covered Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 22[T], 23[T]}, {17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T]}] Step with 15 Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 22[T], 23[T]}, {17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T]}, {}] Step with 10 Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 15[T], 10[(1+x^0-y^0 <= 0 /\ -x^0-y^0 <= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 22[T], 23[T]}, {17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T]}, {}, {}] Covered Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 22[T], 23[T]}, {17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T]}, {10[T]}] Step with 11 Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 15[T], 11[(x^0-y^0 <= 0 /\ 1+x^0+y^0 <= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 22[T], 23[T]}, {17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T]}, {10[T], 12[T], 13[T]}, {}] Covered Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 22[T], 23[T]}, {17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T]}, {10[T], 11[T], 12[T], 13[T]}] Backtrack Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 22[T], 23[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T]}] Step with 16 Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 22[T], 23[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T]}, {16[T]}] Acceleration Failed marked recursive suffix as redundant Step with 17 Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 22[T], 23[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T]}, {16[T], 19[T]}, {17[T]}] Acceleration Failed marked recursive suffix as redundant Step with 18 Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 22[T], 23[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T]}, {16[T], 19[T]}, {17[T]}, {18[T]}] Accelerate Start location: l4 Program variables: x^0 y^0 10: l0 -> l1 : x^0'=1+x^0, (1+x^0-y^0 <= 0 /\ -x^0-y^0 <= 0), cost: 1 11: l0 -> l1 : y^0'=1+y^0, (x^0-y^0 <= 0 /\ 1+x^0+y^0 <= 0), cost: 1 12: l0 -> l1 : x^0'=-1+x^0, (-1+x^0+y^0 <= 0 /\ 1-x^0+y^0 <= 0), cost: 1 13: l0 -> l1 : y^0'=-1+y^0, (-x^0+y^0 <= 0 /\ 2-x^0-y^0 <= 0), cost: 1 15: l1 -> l0 : T, cost: 1 16: l1 -> l1 : x^0'=x^0+n, (-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0), cost: 1 17: l1 -> l1 : y^0'=-n2+y^0, (x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0), cost: 1 18: l1 -> l1 : x^0'=-n3+x^0, (-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0), cost: 1 19: l1 -> l1 : y^0'=n4+y^0, (-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0), cost: 1 20: l1 -> l1 : x^0'=2-y^0, y^0'=2+n43-y^0, (-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0), cost: 1 21: l1 -> l1 : x^0'=2*n7+n-y^0, y^0'=-2*n7+y^0, (-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0), cost: 1 22: l1 -> l1 : x^0'=2*n12+x^0, y^0'=n43+2*n12+x^0, (-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0), cost: 1 23: l1 -> l1 : x^0'=-1-2*n1212-2*n121-n37-x^0, y^0'=2+2*n1212+2*n121+x^0, (-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0), cost: 1 24: l1 -> l1 : x^0'=-1-n311-x^0, y^0'=2+x^0, (-1+n311 >= 0 /\ -3-n311-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -3-2*x^0 >= 0 /\ -4-2*x^0 >= 0), cost: 1 14: l4 -> l1 : T, cost: 1 unrolling Original rule: l1 -> l1 : x^0'=-n3-x^0, y^0'=1+x^0, (-1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -1-n3-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1+n3 >= 0), cost: 1 New rule: l1 -> l1 : x^0'=n3-n311+x^0, y^0'=1-n3-x^0, (-2+n3 >= 0 /\ -1+n311 >= 0 /\ -1+2*n3-n311+2*x^0 >= 0 /\ -1+2*n3+2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ 1+n3+2*x^0 >= 0 /\ -1-n3-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -2+2*n3+2*x^0 >= 0 /\ -1+n3 >= 0), cost: 1 rule cannot be iterated more than once made implied equalities explicit Original rule: l1 -> l1 : x^0'=n3-n311+x^0, y^0'=1-n3-x^0, (-2+n3 >= 0 /\ -1+n311 >= 0 /\ -1+2*n3-n311+2*x^0 >= 0 /\ -1+2*n3+2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ 1+n3+2*x^0 >= 0 /\ -1-n3-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -2+2*n3+2*x^0 >= 0 /\ -1+n3 >= 0), cost: 1 New rule: l1 -> l1 : x^0'=n3-n311+x^0, y^0'=1-n3-x^0, (-2+n3 >= 0 /\ -1+n311 >= 0 /\ -1+2*n3-n311+2*x^0 >= 0 /\ -1+2*n3+2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ 1+n3+2*x^0 >= 0 /\ -1-n3-2*x^0 >= 0 /\ -1-n3-2*x^0 == 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -2+2*n3+2*x^0 >= 0 /\ -1+n3 >= 0), cost: 1 Propagated Equalities Original rule: l1 -> l1 : x^0'=n3-n311+x^0, y^0'=1-n3-x^0, (-2+n3 >= 0 /\ -1+n311 >= 0 /\ -1+2*n3-n311+2*x^0 >= 0 /\ -1+2*n3+2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ 1+n3+2*x^0 >= 0 /\ -1-n3-2*x^0 >= 0 /\ -1-n3-2*x^0 == 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -2+2*n3+2*x^0 >= 0 /\ -1+n3 >= 0), cost: 1 New rule: l1 -> l1 : x^0'=-1-n311-x^0, y^0'=2+x^0, (0 >= 0 /\ 0 == 0 /\ -1+n311 >= 0 /\ -3-n311-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -3-2*x^0 >= 0 /\ -4-2*x^0 >= 0), cost: 1 propagated equality n3 = -1-2*x^0 Simplified Guard Original rule: l1 -> l1 : x^0'=-1-n311-x^0, y^0'=2+x^0, (0 >= 0 /\ 0 == 0 /\ -1+n311 >= 0 /\ -3-n311-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -3-2*x^0 >= 0 /\ -4-2*x^0 >= 0), cost: 1 New rule: l1 -> l1 : x^0'=-1-n311-x^0, y^0'=2+x^0, (-1+n311 >= 0 /\ -3-n311-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -3-2*x^0 >= 0 /\ -4-2*x^0 >= 0), cost: 1 Trace 14[T], 24[(-1+n311 >= 0 /\ -3-n311-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -3-2*x^0 >= 0 /\ -4-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 20[T], 21[T], 22[T], 23[T]}, {24[T]}] Restart Step with 14 Trace 14[T] Blocked [{}, {}] Step with 15 Trace 14[T], 15[T] Blocked [{}, {}, {}] Step with 11 Trace 14[T], 15[T], 11[(x^0-y^0 <= 0 /\ 1+x^0+y^0 <= 0)] Blocked [{}, {}, {}, {}] Covered Trace 14[T], 15[T] Blocked [{}, {}, {11[T]}] Step with 13 Trace 14[T], 15[T], 13[(-x^0+y^0 <= 0 /\ 2-x^0-y^0 <= 0)] Blocked [{}, {}, {11[T]}, {}] Covered Trace 14[T], 15[T] Blocked [{}, {}, {11[T], 13[T]}] Step with 10 Trace 14[T], 15[T], 10[(1+x^0-y^0 <= 0 /\ -x^0-y^0 <= 0)] Blocked [{}, {}, {11[T], 13[T]}, {}] Covered Trace 14[T], 15[T] Blocked [{}, {}, {10[T], 11[T], 13[T]}] Step with 12 Trace 14[T], 15[T], 12[(-1+x^0+y^0 <= 0 /\ 1-x^0+y^0 <= 0)] Blocked [{}, {}, {10[T], 11[T], 13[T]}, {}] Covered Trace 14[T], 15[T] Blocked [{}, {}, {10[T], 11[T], 12[T], 13[T]}] Backtrack Trace 14[T] Blocked [{}, {15[T]}] Step with 22 Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)] Blocked [{}, {15[T]}, {22[T]}] Step with 16 Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T]}, {22[T]}, {16[T]}] Step with 17 Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)] Blocked [{}, {15[T]}, {22[T]}, {16[T], 18[T], 19[T], 20[T], 24[T]}, {17[T]}] Step with 15 Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 15[T] Blocked [{}, {15[T]}, {22[T]}, {16[T], 18[T], 19[T], 20[T], 24[T]}, {17[T], 21[T], 23[T]}, {}] Step with 12 Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 15[T], 12[(-1+x^0+y^0 <= 0 /\ 1-x^0+y^0 <= 0)] Blocked [{}, {15[T]}, {22[T]}, {16[T], 18[T], 19[T], 20[T], 24[T]}, {17[T], 21[T], 23[T]}, {}, {}] Covered Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 15[T] Blocked [{}, {15[T]}, {22[T]}, {16[T], 18[T], 19[T], 20[T], 24[T]}, {17[T], 21[T], 23[T]}, {12[T]}] Step with 13 Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 15[T], 13[(-x^0+y^0 <= 0 /\ 2-x^0-y^0 <= 0)] Blocked [{}, {15[T]}, {22[T]}, {16[T], 18[T], 19[T], 20[T], 24[T]}, {17[T], 21[T], 23[T]}, {11[T], 12[T]}, {}] Covered Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 15[T] Blocked [{}, {15[T]}, {22[T]}, {16[T], 18[T], 19[T], 20[T], 24[T]}, {17[T], 21[T], 23[T]}, {11[T], 12[T], 13[T]}] Backtrack Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)] Blocked [{}, {15[T]}, {22[T]}, {16[T], 18[T], 19[T], 20[T], 24[T]}, {15[T], 17[T], 21[T], 23[T]}] Step with 18 Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T]}, {22[T]}, {16[T], 18[T], 19[T], 20[T], 24[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T]}, {18[T]}] Covered Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)] Blocked [{}, {15[T]}, {22[T]}, {16[T], 18[T], 19[T], 20[T], 24[T]}, {15[T], 16[T], 17[T], 18[T], 21[T], 22[T], 23[T]}] Backtrack Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T]}, {22[T]}, {16[T], 17[T], 18[T], 19[T], 20[T], 24[T]}] Step with 21 Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T]}, {22[T]}, {16[T], 17[T], 18[T], 19[T], 20[T], 23[T], 24[T]}, {21[T]}] Covered Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T]}, {22[T]}, {16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T]}] Step with 15 Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 15[T] Blocked [{}, {15[T]}, {22[T]}, {16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T]}, {}] Step with 13 Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 15[T], 13[(-x^0+y^0 <= 0 /\ 2-x^0-y^0 <= 0)] Blocked [{}, {15[T]}, {22[T]}, {16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T]}, {}, {}] Covered Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 15[T] Blocked [{}, {15[T]}, {22[T]}, {16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T]}, {13[T]}] Step with 10 Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 15[T], 10[(1+x^0-y^0 <= 0 /\ -x^0-y^0 <= 0)] Blocked [{}, {15[T]}, {22[T]}, {16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T]}, {13[T]}, {}] Covered Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 15[T] Blocked [{}, {15[T]}, {22[T]}, {16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T]}, {10[T], 13[T]}] Backtrack Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T]}, {22[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T]}] Backtrack Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)] Blocked [{}, {15[T]}, {16[T], 22[T]}] Step with 15 Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 15[T] Blocked [{}, {15[T]}, {16[T], 22[T]}, {}] Step with 10 Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 15[T], 10[(1+x^0-y^0 <= 0 /\ -x^0-y^0 <= 0)] Blocked [{}, {15[T]}, {16[T], 22[T]}, {}, {}] Covered Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 15[T] Blocked [{}, {15[T]}, {16[T], 22[T]}, {10[T]}] Step with 11 Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 15[T], 11[(x^0-y^0 <= 0 /\ 1+x^0+y^0 <= 0)] Blocked [{}, {15[T]}, {16[T], 22[T]}, {10[T], 12[T]}, {}] Covered Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 15[T] Blocked [{}, {15[T]}, {16[T], 22[T]}, {10[T], 11[T], 12[T]}] Backtrack Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)] Blocked [{}, {15[T]}, {15[T], 16[T], 22[T]}] Step with 20 Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T]}, {15[T], 16[T], 18[T], 22[T]}, {20[T]}] Covered Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)] Blocked [{}, {15[T]}, {15[T], 16[T], 18[T], 20[T], 22[T]}] Step with 24 Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 24[(-1+n311 >= 0 /\ -3-n311-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -3-2*x^0 >= 0 /\ -4-2*x^0 >= 0)] Blocked [{}, {15[T]}, {15[T], 16[T], 18[T], 20[T], 22[T]}, {24[T]}] Covered Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)] Blocked [{}, {15[T]}, {15[T], 16[T], 18[T], 20[T], 22[T], 24[T]}] Step with 19 Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T]}, {15[T], 16[T], 18[T], 20[T], 22[T], 24[T]}, {19[T]}] Covered Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)] Blocked [{}, {15[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 22[T], 24[T]}] Step with 23 Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 23[(-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0)] Blocked [{}, {15[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T], 22[T], 24[T]}, {23[T]}] Covered Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)] Blocked [{}, {15[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T], 22[T], 23[T], 24[T]}] Step with 21 Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T], 22[T], 23[T], 24[T]}, {21[T]}] Covered Trace 14[T], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)] Blocked [{}, {15[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T]}] Backtrack Trace 14[T] Blocked [{}, {15[T], 22[T]}] Step with 21 Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 22[T]}, {21[T]}] Step with 15 Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 15[T] Blocked [{}, {15[T], 22[T]}, {21[T]}, {}] Step with 13 Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 15[T], 13[(-x^0+y^0 <= 0 /\ 2-x^0-y^0 <= 0)] Blocked [{}, {15[T], 22[T]}, {21[T]}, {11[T]}, {}] Covered Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 15[T] Blocked [{}, {15[T], 22[T]}, {21[T]}, {11[T], 13[T]}] Step with 10 Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 15[T], 10[(1+x^0-y^0 <= 0 /\ -x^0-y^0 <= 0)] Blocked [{}, {15[T], 22[T]}, {21[T]}, {11[T], 13[T]}, {}] Covered Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 15[T] Blocked [{}, {15[T], 22[T]}, {21[T]}, {10[T], 11[T], 13[T]}] Backtrack Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 22[T]}, {15[T], 21[T]}] Step with 16 Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 22[T]}, {15[T], 21[T], 22[T]}, {16[T]}] Covered Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 22[T]}, {15[T], 16[T], 21[T], 22[T]}] Step with 20 Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 22[T]}, {15[T], 16[T], 18[T], 21[T], 22[T]}, {20[T]}] Covered Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 22[T]}, {15[T], 16[T], 18[T], 20[T], 21[T], 22[T]}] Step with 17 Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)] Blocked [{}, {15[T], 22[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 24[T]}, {17[T]}] Step with 15 Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 15[T] Blocked [{}, {15[T], 22[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 24[T]}, {17[T], 21[T], 23[T]}, {}] Step with 12 Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 15[T], 12[(-1+x^0+y^0 <= 0 /\ 1-x^0+y^0 <= 0)] Blocked [{}, {15[T], 22[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 24[T]}, {17[T], 21[T], 23[T]}, {10[T]}, {}] Covered Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 15[T] Blocked [{}, {15[T], 22[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 24[T]}, {17[T], 21[T], 23[T]}, {10[T], 12[T]}] Step with 13 Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 15[T], 13[(-x^0+y^0 <= 0 /\ 2-x^0-y^0 <= 0)] Blocked [{}, {15[T], 22[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 24[T]}, {17[T], 21[T], 23[T]}, {10[T], 11[T], 12[T]}, {}] Covered Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 15[T] Blocked [{}, {15[T], 22[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 24[T]}, {17[T], 21[T], 23[T]}, {10[T], 11[T], 12[T], 13[T]}] Backtrack Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)] Blocked [{}, {15[T], 22[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 24[T]}, {15[T], 17[T], 21[T], 23[T]}] Step with 18 Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T], 22[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 24[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T]}, {18[T]}] Step with 24 Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 24[(-1+n311 >= 0 /\ -3-n311-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -3-2*x^0 >= 0 /\ -4-2*x^0 >= 0)] Blocked [{}, {15[T], 22[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 24[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T]}, {18[T], 20[T]}, {24[T]}] Accelerate Start location: l4 Program variables: x^0 y^0 10: l0 -> l1 : x^0'=1+x^0, (1+x^0-y^0 <= 0 /\ -x^0-y^0 <= 0), cost: 1 11: l0 -> l1 : y^0'=1+y^0, (x^0-y^0 <= 0 /\ 1+x^0+y^0 <= 0), cost: 1 12: l0 -> l1 : x^0'=-1+x^0, (-1+x^0+y^0 <= 0 /\ 1-x^0+y^0 <= 0), cost: 1 13: l0 -> l1 : y^0'=-1+y^0, (-x^0+y^0 <= 0 /\ 2-x^0-y^0 <= 0), cost: 1 15: l1 -> l0 : T, cost: 1 16: l1 -> l1 : x^0'=x^0+n, (-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0), cost: 1 17: l1 -> l1 : y^0'=-n2+y^0, (x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0), cost: 1 18: l1 -> l1 : x^0'=-n3+x^0, (-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0), cost: 1 19: l1 -> l1 : y^0'=n4+y^0, (-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0), cost: 1 20: l1 -> l1 : x^0'=2-y^0, y^0'=2+n43-y^0, (-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0), cost: 1 21: l1 -> l1 : x^0'=2*n7+n-y^0, y^0'=-2*n7+y^0, (-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0), cost: 1 22: l1 -> l1 : x^0'=2*n12+x^0, y^0'=n43+2*n12+x^0, (-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0), cost: 1 23: l1 -> l1 : x^0'=-1-2*n1212-2*n121-n37-x^0, y^0'=2+2*n1212+2*n121+x^0, (-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0), cost: 1 24: l1 -> l1 : x^0'=-1-n311-x^0, y^0'=2+x^0, (-1+n311 >= 0 /\ -3-n311-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -3-2*x^0 >= 0 /\ -4-2*x^0 >= 0), cost: 1 25: l1 -> l1 : x^0'=1-2*n51-n311-y^0, y^0'=2*n51+y^0, (1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0), cost: 1 14: l4 -> l1 : T, cost: 1 Loop Acceleration Original rule: l1 -> l1 : x^0'=-1-n311-y^0, y^0'=2+y^0, (-3-2*y^0 >= 0 /\ -1+n311 >= 0 /\ -2-2*y^0 >= 0 /\ -4-2*y^0 >= 0 /\ -3-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1-2*y^0 >= 0 /\ -1+x^0-y^0 >= 0), cost: 1 New rule: l1 -> l1 : x^0'=1-2*n51-n311-y^0, y^0'=2*n51+y^0, (1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0), cost: 1 -3-2*y^0 >= 0 [0]: montonic decrease yields 1-4*n51-2*y^0 >= 0 -3-2*y^0 >= 0 [1]: eventual increase yields (-3-2*y^0 >= 0 /\ 4 <= 0) -1+n311 >= 0 [0]: monotonic increase yields -1+n311 >= 0 -2-2*y^0 >= 0 [0]: montonic decrease yields 2-4*n51-2*y^0 >= 0, dependencies: -3-2*y^0 >= 0 -2-2*y^0 >= 0 [1]: eventual increase yields (-2-2*y^0 >= 0 /\ 4 <= 0) -4-2*y^0 >= 0 [0]: montonic decrease yields -4*n51-2*y^0 >= 0, dependencies: -3-2*y^0 >= 0 -4-2*y^0 >= 0 [1]: eventual increase yields (-4-2*y^0 >= 0 /\ 4 <= 0) -3-n311-2*y^0 >= 0 [0]: montonic decrease yields 1-4*n51-n311-2*y^0 >= 0 -3-n311-2*y^0 >= 0 [1]: eventual increase yields (-3-n311-2*y^0 >= 0 /\ 4 <= 0) 1-x^0-y^0 >= 0 [0]: monotonic increase yields 1-x^0-y^0 >= 0, dependencies: -1+n311 >= 0 -1-2*y^0 >= 0 [0]: montonic decrease yields 3-4*n51-2*y^0 >= 0, dependencies: -3-2*y^0 >= 0 -1-2*y^0 >= 0 [1]: eventual increase yields (4 <= 0 /\ -1-2*y^0 >= 0) -1+x^0-y^0 >= 0 [0]: eventual decrease yields (4-4*n51-n311-2*y^0 >= 0 /\ -1+x^0-y^0 >= 0) Replacement map: {-3-2*y^0 >= 0 -> 1-4*n51-2*y^0 >= 0, -1+n311 >= 0 -> -1+n311 >= 0, -2-2*y^0 >= 0 -> 2-4*n51-2*y^0 >= 0, -4-2*y^0 >= 0 -> -4*n51-2*y^0 >= 0, -3-n311-2*y^0 >= 0 -> 1-4*n51-n311-2*y^0 >= 0, 1-x^0-y^0 >= 0 -> 1-x^0-y^0 >= 0, -1-2*y^0 >= 0 -> 3-4*n51-2*y^0 >= 0, -1+x^0-y^0 >= 0 -> (4-4*n51-n311-2*y^0 >= 0 /\ -1+x^0-y^0 >= 0)} Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)] Blocked [{}, {15[T], 22[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 24[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T]}, {25[T]}] Acceleration Failed marked recursive suffix as redundant Covered Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)] Blocked [{}, {15[T], 22[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 24[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T]}] Step with 18 Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T], 22[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 24[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T]}, {18[T]}] Step with 24 Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 24[(-1+n311 >= 0 /\ -3-n311-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -3-2*x^0 >= 0 /\ -4-2*x^0 >= 0)] Blocked [{}, {15[T], 22[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 24[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T]}, {18[T], 20[T]}, {24[T]}] Covered Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T], 22[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 24[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T]}, {18[T], 20[T], 24[T]}] Step with 19 Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 22[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 24[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T]}, {18[T], 20[T], 24[T]}, {19[T]}] Covered Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T], 22[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 24[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T]}, {18[T], 19[T], 20[T], 24[T]}] Step with 23 Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 23[(-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0)] Blocked [{}, {15[T], 22[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 24[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T]}, {17[T], 18[T], 19[T], 20[T], 24[T]}, {23[T]}] Covered Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T], 22[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 24[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T]}, {17[T], 18[T], 19[T], 20[T], 23[T], 24[T]}] Step with 25 Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)] Blocked [{}, {15[T], 22[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 24[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T]}, {17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T]}, {25[T]}] Covered Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T], 22[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 24[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T]}, {17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T]}] Step with 15 Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 15[T] Blocked [{}, {15[T], 22[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 24[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T]}, {17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T]}, {}] Step with 12 Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 15[T], 12[(-1+x^0+y^0 <= 0 /\ 1-x^0+y^0 <= 0)] Blocked [{}, {15[T], 22[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 24[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T]}, {17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T]}, {10[T], 13[T]}, {}] Covered Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 15[T] Blocked [{}, {15[T], 22[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 24[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T]}, {17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T]}, {10[T], 12[T], 13[T]}] Step with 11 Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 15[T], 11[(x^0-y^0 <= 0 /\ 1+x^0+y^0 <= 0)] Blocked [{}, {15[T], 22[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 24[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T]}, {17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T]}, {10[T], 12[T], 13[T]}, {}] Covered Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 15[T] Blocked [{}, {15[T], 22[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 24[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T]}, {17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T]}, {10[T], 11[T], 12[T], 13[T]}] Backtrack Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T], 22[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 24[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T]}] Step with 22 Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)] Blocked [{}, {15[T], 22[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 24[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T]}, {22[T]}] Acceleration Failed marked recursive suffix as redundant Acceleration Failed marked recursive suffix as redundant Covered Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T], 22[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 24[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T]}] Backtrack Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)] Blocked [{}, {15[T], 22[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 24[T]}, {15[T], 16[T], 17[T], 18[T], 21[T], 22[T], 23[T], 25[T]}] Backtrack Trace 14[T], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 22[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 24[T]}] Backtrack Trace 14[T] Blocked [{}, {15[T], 21[T], 22[T]}] Step with 16 Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 21[T], 22[T]}, {16[T]}] Step with 20 Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 21[T], 22[T]}, {16[T], 18[T]}, {20[T]}] Covered Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 21[T], 22[T]}, {16[T], 18[T], 20[T]}] Step with 17 Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)] Blocked [{}, {15[T], 21[T], 22[T]}, {16[T], 18[T], 19[T], 20[T], 24[T]}, {17[T]}] Step with 25 Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)] Blocked [{}, {15[T], 21[T], 22[T]}, {16[T], 18[T], 19[T], 20[T], 24[T]}, {17[T], 21[T], 23[T]}, {25[T]}] Covered Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)] Blocked [{}, {15[T], 21[T], 22[T]}, {16[T], 18[T], 19[T], 20[T], 24[T]}, {17[T], 21[T], 23[T], 25[T]}] Step with 15 Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 15[T] Blocked [{}, {15[T], 21[T], 22[T]}, {16[T], 18[T], 19[T], 20[T], 24[T]}, {17[T], 21[T], 23[T], 25[T]}, {}] Step with 13 Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 15[T], 13[(-x^0+y^0 <= 0 /\ 2-x^0-y^0 <= 0)] Blocked [{}, {15[T], 21[T], 22[T]}, {16[T], 18[T], 19[T], 20[T], 24[T]}, {17[T], 21[T], 23[T], 25[T]}, {11[T]}, {}] Covered Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 15[T] Blocked [{}, {15[T], 21[T], 22[T]}, {16[T], 18[T], 19[T], 20[T], 24[T]}, {17[T], 21[T], 23[T], 25[T]}, {11[T], 13[T]}] Step with 12 Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 15[T], 12[(-1+x^0+y^0 <= 0 /\ 1-x^0+y^0 <= 0)] Blocked [{}, {15[T], 21[T], 22[T]}, {16[T], 18[T], 19[T], 20[T], 24[T]}, {17[T], 21[T], 23[T], 25[T]}, {10[T], 11[T], 13[T]}, {}] Covered Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 15[T] Blocked [{}, {15[T], 21[T], 22[T]}, {16[T], 18[T], 19[T], 20[T], 24[T]}, {17[T], 21[T], 23[T], 25[T]}, {10[T], 11[T], 12[T], 13[T]}] Backtrack Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)] Blocked [{}, {15[T], 21[T], 22[T]}, {16[T], 18[T], 19[T], 20[T], 24[T]}, {15[T], 17[T], 21[T], 23[T], 25[T]}] Step with 18 Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T], 21[T], 22[T]}, {16[T], 18[T], 19[T], 20[T], 24[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T]}, {18[T]}] Step with 24 Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 24[(-1+n311 >= 0 /\ -3-n311-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -3-2*x^0 >= 0 /\ -4-2*x^0 >= 0)] Blocked [{}, {15[T], 21[T], 22[T]}, {16[T], 18[T], 19[T], 20[T], 24[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T]}, {18[T], 20[T]}, {24[T]}] Covered Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T], 21[T], 22[T]}, {16[T], 18[T], 19[T], 20[T], 24[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T]}, {18[T], 20[T], 24[T]}] Step with 19 Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 21[T], 22[T]}, {16[T], 18[T], 19[T], 20[T], 24[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T]}, {18[T], 20[T], 24[T]}, {19[T]}] Covered Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T], 21[T], 22[T]}, {16[T], 18[T], 19[T], 20[T], 24[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T]}, {18[T], 19[T], 20[T], 24[T]}] Step with 23 Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 23[(-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0)] Blocked [{}, {15[T], 21[T], 22[T]}, {16[T], 18[T], 19[T], 20[T], 24[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T]}, {17[T], 18[T], 19[T], 20[T], 24[T]}, {23[T]}] Covered Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T], 21[T], 22[T]}, {16[T], 18[T], 19[T], 20[T], 24[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T]}, {17[T], 18[T], 19[T], 20[T], 23[T], 24[T]}] Step with 25 Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)] Blocked [{}, {15[T], 21[T], 22[T]}, {16[T], 18[T], 19[T], 20[T], 24[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T]}, {17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T]}, {25[T]}] Covered Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T], 21[T], 22[T]}, {16[T], 18[T], 19[T], 20[T], 24[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T]}, {17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T]}] Step with 15 Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 15[T] Blocked [{}, {15[T], 21[T], 22[T]}, {16[T], 18[T], 19[T], 20[T], 24[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T]}, {17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T]}, {}] Step with 12 Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 15[T], 12[(-1+x^0+y^0 <= 0 /\ 1-x^0+y^0 <= 0)] Blocked [{}, {15[T], 21[T], 22[T]}, {16[T], 18[T], 19[T], 20[T], 24[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T]}, {17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T]}, {}, {}] Covered Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 15[T] Blocked [{}, {15[T], 21[T], 22[T]}, {16[T], 18[T], 19[T], 20[T], 24[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T]}, {17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T]}, {12[T]}] Step with 11 Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 15[T], 11[(x^0-y^0 <= 0 /\ 1+x^0+y^0 <= 0)] Blocked [{}, {15[T], 21[T], 22[T]}, {16[T], 18[T], 19[T], 20[T], 24[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T]}, {17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T]}, {12[T]}, {}] Covered Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 15[T] Blocked [{}, {15[T], 21[T], 22[T]}, {16[T], 18[T], 19[T], 20[T], 24[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T]}, {17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T]}, {11[T], 12[T]}] Backtrack Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T], 21[T], 22[T]}, {16[T], 18[T], 19[T], 20[T], 24[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T]}] Step with 22 Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)] Blocked [{}, {15[T], 21[T], 22[T]}, {16[T], 18[T], 19[T], 20[T], 24[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T]}, {22[T]}] Covered Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T], 21[T], 22[T]}, {16[T], 18[T], 19[T], 20[T], 24[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T]}] Backtrack Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)] Blocked [{}, {15[T], 21[T], 22[T]}, {16[T], 18[T], 19[T], 20[T], 24[T]}, {15[T], 16[T], 17[T], 18[T], 21[T], 22[T], 23[T], 25[T]}] Backtrack Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 21[T], 22[T]}, {16[T], 17[T], 18[T], 19[T], 20[T], 24[T]}] Step with 21 Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 21[T], 22[T]}, {16[T], 17[T], 18[T], 19[T], 20[T], 22[T], 23[T], 24[T]}, {21[T]}] Covered Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 21[T], 22[T]}, {16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T]}] Step with 15 Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 15[T] Blocked [{}, {15[T], 21[T], 22[T]}, {16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T]}, {}] Step with 13 Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 15[T], 13[(-x^0+y^0 <= 0 /\ 2-x^0-y^0 <= 0)] Blocked [{}, {15[T], 21[T], 22[T]}, {16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T]}, {11[T]}, {}] Covered Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 15[T] Blocked [{}, {15[T], 21[T], 22[T]}, {16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T]}, {11[T], 13[T]}] Step with 10 Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 15[T], 10[(1+x^0-y^0 <= 0 /\ -x^0-y^0 <= 0)] Blocked [{}, {15[T], 21[T], 22[T]}, {16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T]}, {11[T], 13[T]}, {}] Covered Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 15[T] Blocked [{}, {15[T], 21[T], 22[T]}, {16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T]}, {10[T], 11[T], 13[T]}] Backtrack Trace 14[T], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 21[T], 22[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T]}] Backtrack Trace 14[T] Blocked [{}, {15[T], 16[T], 21[T], 22[T]}] Step with 18 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T]}, {18[T]}] Step with 24 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 24[(-1+n311 >= 0 /\ -3-n311-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -3-2*x^0 >= 0 /\ -4-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T]}, {18[T], 20[T]}, {24[T]}] Covered Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T]}, {18[T], 20[T], 24[T]}] Step with 19 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T]}, {18[T], 20[T], 24[T]}, {19[T]}] Step with 23 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 23[(-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T]}, {18[T], 20[T], 24[T]}, {17[T], 19[T]}, {23[T]}] Covered Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T]}, {18[T], 20[T], 24[T]}, {17[T], 19[T], 23[T]}] Step with 21 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T]}, {18[T], 20[T], 24[T]}, {17[T], 19[T], 23[T]}, {21[T]}] Covered Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T]}, {18[T], 20[T], 24[T]}, {17[T], 19[T], 21[T], 23[T]}] Step with 15 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 21[T], 22[T]}, {18[T], 20[T], 24[T]}, {17[T], 19[T], 21[T], 23[T], 25[T]}, {}] Step with 10 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 15[T], 10[(1+x^0-y^0 <= 0 /\ -x^0-y^0 <= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T]}, {18[T], 20[T], 24[T]}, {17[T], 19[T], 21[T], 23[T], 25[T]}, {}, {}] Covered Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 21[T], 22[T]}, {18[T], 20[T], 24[T]}, {17[T], 19[T], 21[T], 23[T], 25[T]}, {10[T]}] Step with 11 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 15[T], 11[(x^0-y^0 <= 0 /\ 1+x^0+y^0 <= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T]}, {18[T], 20[T], 24[T]}, {17[T], 19[T], 21[T], 23[T], 25[T]}, {10[T], 12[T]}, {}] Covered Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 21[T], 22[T]}, {18[T], 20[T], 24[T]}, {17[T], 19[T], 21[T], 23[T], 25[T]}, {10[T], 11[T], 12[T]}] Backtrack Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T]}, {18[T], 20[T], 24[T]}, {15[T], 17[T], 19[T], 21[T], 23[T], 25[T]}] Step with 22 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T]}, {18[T], 20[T], 24[T]}, {15[T], 17[T], 19[T], 21[T], 23[T], 25[T]}, {22[T]}] Covered Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T]}, {18[T], 20[T], 24[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T]}] Step with 16 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T]}, {18[T], 20[T], 24[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T]}, {16[T]}] Acceleration Failed marked recursive suffix as redundant Step with 20 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T]}, {18[T], 20[T], 24[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T]}, {16[T], 18[T]}, {20[T]}] Covered Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T]}, {18[T], 20[T], 24[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T]}, {16[T], 18[T], 20[T]}] Step with 17 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T]}, {18[T], 20[T], 24[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T]}, {16[T], 18[T], 19[T], 20[T], 24[T]}, {17[T]}] Accelerate Start location: l4 Program variables: x^0 y^0 10: l0 -> l1 : x^0'=1+x^0, (1+x^0-y^0 <= 0 /\ -x^0-y^0 <= 0), cost: 1 11: l0 -> l1 : y^0'=1+y^0, (x^0-y^0 <= 0 /\ 1+x^0+y^0 <= 0), cost: 1 12: l0 -> l1 : x^0'=-1+x^0, (-1+x^0+y^0 <= 0 /\ 1-x^0+y^0 <= 0), cost: 1 13: l0 -> l1 : y^0'=-1+y^0, (-x^0+y^0 <= 0 /\ 2-x^0-y^0 <= 0), cost: 1 15: l1 -> l0 : T, cost: 1 16: l1 -> l1 : x^0'=x^0+n, (-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0), cost: 1 17: l1 -> l1 : y^0'=-n2+y^0, (x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0), cost: 1 18: l1 -> l1 : x^0'=-n3+x^0, (-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0), cost: 1 19: l1 -> l1 : y^0'=n4+y^0, (-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0), cost: 1 20: l1 -> l1 : x^0'=2-y^0, y^0'=2+n43-y^0, (-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0), cost: 1 21: l1 -> l1 : x^0'=2*n7+n-y^0, y^0'=-2*n7+y^0, (-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0), cost: 1 22: l1 -> l1 : x^0'=2*n12+x^0, y^0'=n43+2*n12+x^0, (-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0), cost: 1 23: l1 -> l1 : x^0'=-1-2*n1212-2*n121-n37-x^0, y^0'=2+2*n1212+2*n121+x^0, (-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0), cost: 1 24: l1 -> l1 : x^0'=-1-n311-x^0, y^0'=2+x^0, (-1+n311 >= 0 /\ -3-n311-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -3-2*x^0 >= 0 /\ -4-2*x^0 >= 0), cost: 1 25: l1 -> l1 : x^0'=1-2*n51-n311-y^0, y^0'=2*n51+y^0, (1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0), cost: 1 26: l1 -> l1 : x^0'=-1-y^0, y^0'=-1-n213-y^0, (-1+n213 >= 0 /\ -3-2*y^0 >= 0 /\ -2-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1-2*y^0 >= 0 /\ -1+x^0-y^0 >= 0 /\ -3-n213-2*y^0 >= 0), cost: 1 14: l4 -> l1 : T, cost: 1 unrolling Original rule: l1 -> l1 : x^0'=-y^0, y^0'=-n2-y^0, (-1-n2-2*y^0 >= 0 /\ -1+n2 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1-2*y^0 >= 0 /\ -1+x^0-y^0 >= 0), cost: 1 New rule: l1 -> l1 : x^0'=n2+y^0, y^0'=-n213+n2+y^0, (-1+n213 >= 0 /\ 1+n2+2*y^0 >= 0 /\ -1-n2-2*y^0 >= 0 /\ -1+2*n2+2*y^0 >= 0 /\ -1+n2 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1-2*y^0 >= 0 /\ -1-n213+2*n2+2*y^0 >= 0 /\ -1+x^0-y^0 >= 0), cost: 1 rule cannot be iterated more than once made implied equalities explicit Original rule: l1 -> l1 : x^0'=n2+y^0, y^0'=-n213+n2+y^0, (-1+n213 >= 0 /\ 1+n2+2*y^0 >= 0 /\ -1-n2-2*y^0 >= 0 /\ -1+2*n2+2*y^0 >= 0 /\ -1+n2 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1-2*y^0 >= 0 /\ -1-n213+2*n2+2*y^0 >= 0 /\ -1+x^0-y^0 >= 0), cost: 1 New rule: l1 -> l1 : x^0'=n2+y^0, y^0'=-n213+n2+y^0, (-1+n213 >= 0 /\ 1+n2+2*y^0 >= 0 /\ -1-n2-2*y^0 >= 0 /\ -1-n2-2*y^0 == 0 /\ -1+2*n2+2*y^0 >= 0 /\ -1+n2 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1-2*y^0 >= 0 /\ -1-n213+2*n2+2*y^0 >= 0 /\ -1+x^0-y^0 >= 0), cost: 1 Propagated Equalities Original rule: l1 -> l1 : x^0'=n2+y^0, y^0'=-n213+n2+y^0, (-1+n213 >= 0 /\ 1+n2+2*y^0 >= 0 /\ -1-n2-2*y^0 >= 0 /\ -1-n2-2*y^0 == 0 /\ -1+2*n2+2*y^0 >= 0 /\ -1+n2 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1-2*y^0 >= 0 /\ -1-n213+2*n2+2*y^0 >= 0 /\ -1+x^0-y^0 >= 0), cost: 1 New rule: l1 -> l1 : x^0'=-1-y^0, y^0'=-1-n213-y^0, (0 >= 0 /\ 0 == 0 /\ -1+n213 >= 0 /\ -3-2*y^0 >= 0 /\ -2-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1-2*y^0 >= 0 /\ -1+x^0-y^0 >= 0 /\ -3-n213-2*y^0 >= 0), cost: 1 propagated equality n2 = -1-2*y^0 Simplified Guard Original rule: l1 -> l1 : x^0'=-1-y^0, y^0'=-1-n213-y^0, (0 >= 0 /\ 0 == 0 /\ -1+n213 >= 0 /\ -3-2*y^0 >= 0 /\ -2-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1-2*y^0 >= 0 /\ -1+x^0-y^0 >= 0 /\ -3-n213-2*y^0 >= 0), cost: 1 New rule: l1 -> l1 : x^0'=-1-y^0, y^0'=-1-n213-y^0, (-1+n213 >= 0 /\ -3-2*y^0 >= 0 /\ -2-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1-2*y^0 >= 0 /\ -1+x^0-y^0 >= 0 /\ -3-n213-2*y^0 >= 0), cost: 1 Trace 14[T], 26[(-1+n213 >= 0 /\ -3-2*y^0 >= 0 /\ -2-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1-2*y^0 >= 0 /\ -1+x^0-y^0 >= 0 /\ -3-n213-2*y^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T]}, {26[T]}] Step with 15 Trace 14[T], 26[(-1+n213 >= 0 /\ -3-2*y^0 >= 0 /\ -2-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1-2*y^0 >= 0 /\ -1+x^0-y^0 >= 0 /\ -3-n213-2*y^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 21[T], 22[T]}, {26[T]}, {}] Step with 13 Trace 14[T], 26[(-1+n213 >= 0 /\ -3-2*y^0 >= 0 /\ -2-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1-2*y^0 >= 0 /\ -1+x^0-y^0 >= 0 /\ -3-n213-2*y^0 >= 0)], 15[T], 13[(-x^0+y^0 <= 0 /\ 2-x^0-y^0 <= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T]}, {26[T]}, {11[T]}, {}] Covered Trace 14[T], 26[(-1+n213 >= 0 /\ -3-2*y^0 >= 0 /\ -2-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1-2*y^0 >= 0 /\ -1+x^0-y^0 >= 0 /\ -3-n213-2*y^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 21[T], 22[T]}, {26[T]}, {11[T], 13[T]}] Step with 12 Trace 14[T], 26[(-1+n213 >= 0 /\ -3-2*y^0 >= 0 /\ -2-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1-2*y^0 >= 0 /\ -1+x^0-y^0 >= 0 /\ -3-n213-2*y^0 >= 0)], 15[T], 12[(-1+x^0+y^0 <= 0 /\ 1-x^0+y^0 <= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T]}, {26[T]}, {10[T], 11[T], 13[T]}, {}] Covered Trace 14[T], 26[(-1+n213 >= 0 /\ -3-2*y^0 >= 0 /\ -2-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1-2*y^0 >= 0 /\ -1+x^0-y^0 >= 0 /\ -3-n213-2*y^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 21[T], 22[T]}, {26[T]}, {10[T], 11[T], 12[T], 13[T]}] Backtrack Trace 14[T], 26[(-1+n213 >= 0 /\ -3-2*y^0 >= 0 /\ -2-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1-2*y^0 >= 0 /\ -1+x^0-y^0 >= 0 /\ -3-n213-2*y^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T]}, {15[T], 26[T]}] Step with 18 Trace 14[T], 26[(-1+n213 >= 0 /\ -3-2*y^0 >= 0 /\ -2-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1-2*y^0 >= 0 /\ -1+x^0-y^0 >= 0 /\ -3-n213-2*y^0 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T]}, {15[T], 16[T], 22[T], 26[T]}, {18[T]}] Covered Trace 14[T], 26[(-1+n213 >= 0 /\ -3-2*y^0 >= 0 /\ -2-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1-2*y^0 >= 0 /\ -1+x^0-y^0 >= 0 /\ -3-n213-2*y^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T]}, {15[T], 16[T], 18[T], 22[T], 26[T]}] Step with 17 Trace 14[T], 26[(-1+n213 >= 0 /\ -3-2*y^0 >= 0 /\ -2-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1-2*y^0 >= 0 /\ -1+x^0-y^0 >= 0 /\ -3-n213-2*y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 22[T], 24[T], 26[T]}, {17[T]}] Covered Trace 14[T], 26[(-1+n213 >= 0 /\ -3-2*y^0 >= 0 /\ -2-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1-2*y^0 >= 0 /\ -1+x^0-y^0 >= 0 /\ -3-n213-2*y^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T], 22[T], 24[T], 26[T]}] Step with 25 Trace 14[T], 26[(-1+n213 >= 0 /\ -3-2*y^0 >= 0 /\ -2-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1-2*y^0 >= 0 /\ -1+x^0-y^0 >= 0 /\ -3-n213-2*y^0 >= 0)], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 26[T]}, {25[T]}] Covered Trace 14[T], 26[(-1+n213 >= 0 /\ -3-2*y^0 >= 0 /\ -2-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1-2*y^0 >= 0 /\ -1+x^0-y^0 >= 0 /\ -3-n213-2*y^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}] Backtrack Trace 14[T] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 26[T]}] Step with 25 Trace 14[T], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 26[T]}, {25[T]}] Step with 26 Trace 14[T], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)], 26[(-1+n213 >= 0 /\ -3-2*y^0 >= 0 /\ -2-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1-2*y^0 >= 0 /\ -1+x^0-y^0 >= 0 /\ -3-n213-2*y^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 26[T]}, {25[T]}, {26[T]}] Covered Trace 14[T], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 26[T]}, {25[T], 26[T]}] Step with 15 Trace 14[T], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 26[T]}, {25[T], 26[T]}, {}] Step with 12 Trace 14[T], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)], 15[T], 12[(-1+x^0+y^0 <= 0 /\ 1-x^0+y^0 <= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 26[T]}, {25[T], 26[T]}, {}, {}] Covered Trace 14[T], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 26[T]}, {25[T], 26[T]}, {12[T]}] Step with 11 Trace 14[T], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)], 15[T], 11[(x^0-y^0 <= 0 /\ 1+x^0+y^0 <= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 26[T]}, {25[T], 26[T]}, {12[T]}, {}] Covered Trace 14[T], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 26[T]}, {25[T], 26[T]}, {11[T], 12[T]}] Backtrack Trace 14[T], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 26[T]}, {15[T], 25[T], 26[T]}] Step with 22 Trace 14[T], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 26[T]}, {15[T], 25[T], 26[T]}, {22[T]}] Covered Trace 14[T], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 26[T]}, {15[T], 22[T], 25[T], 26[T]}] Step with 18 Trace 14[T], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 26[T]}, {15[T], 16[T], 22[T], 25[T], 26[T]}, {18[T]}] Covered Trace 14[T], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 26[T]}, {15[T], 16[T], 18[T], 22[T], 25[T], 26[T]}] Step with 24 Trace 14[T], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)], 24[(-1+n311 >= 0 /\ -3-n311-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -3-2*x^0 >= 0 /\ -4-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 26[T]}, {15[T], 16[T], 18[T], 20[T], 22[T], 25[T], 26[T]}, {24[T]}] Covered Trace 14[T], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 26[T]}, {15[T], 16[T], 18[T], 20[T], 22[T], 24[T], 25[T], 26[T]}] Step with 19 Trace 14[T], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 26[T]}, {15[T], 16[T], 18[T], 20[T], 22[T], 24[T], 25[T], 26[T]}, {19[T]}] Covered Trace 14[T], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 26[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 22[T], 24[T], 25[T], 26[T]}] Step with 23 Trace 14[T], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)], 23[(-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 26[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T], 22[T], 24[T], 25[T], 26[T]}, {23[T]}] Covered Trace 14[T], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 26[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T], 22[T], 23[T], 24[T], 25[T], 26[T]}] Backtrack Trace 14[T] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 25[T], 26[T]}] Step with 23 Trace 14[T], 23[(-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 25[T], 26[T]}, {23[T]}] Step with 25 Trace 14[T], 23[(-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0)], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 25[T], 26[T]}, {21[T], 23[T]}, {25[T]}] Covered Trace 14[T], 23[(-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 25[T], 26[T]}, {21[T], 23[T], 25[T]}] Step with 26 Trace 14[T], 23[(-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0)], 26[(-1+n213 >= 0 /\ -3-2*y^0 >= 0 /\ -2-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1-2*y^0 >= 0 /\ -1+x^0-y^0 >= 0 /\ -3-n213-2*y^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 25[T], 26[T]}, {21[T], 23[T], 25[T]}, {26[T]}] Covered Trace 14[T], 23[(-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 25[T], 26[T]}, {21[T], 23[T], 25[T], 26[T]}] Step with 15 Trace 14[T], 23[(-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 25[T], 26[T]}, {21[T], 23[T], 25[T], 26[T]}, {}] Step with 11 Trace 14[T], 23[(-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0)], 15[T], 11[(x^0-y^0 <= 0 /\ 1+x^0+y^0 <= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 25[T], 26[T]}, {21[T], 23[T], 25[T], 26[T]}, {}, {}] Covered Trace 14[T], 23[(-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 25[T], 26[T]}, {21[T], 23[T], 25[T], 26[T]}, {11[T]}] Step with 12 Trace 14[T], 23[(-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0)], 15[T], 12[(-1+x^0+y^0 <= 0 /\ 1-x^0+y^0 <= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 25[T], 26[T]}, {21[T], 23[T], 25[T], 26[T]}, {10[T], 11[T], 13[T]}, {}] Covered Trace 14[T], 23[(-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 25[T], 26[T]}, {21[T], 23[T], 25[T], 26[T]}, {10[T], 11[T], 12[T], 13[T]}] Backtrack Trace 14[T], 23[(-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 25[T], 26[T]}, {15[T], 21[T], 23[T], 25[T], 26[T]}] Step with 22 Trace 14[T], 23[(-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 25[T], 26[T]}, {15[T], 21[T], 23[T], 25[T], 26[T]}, {22[T]}] Covered Trace 14[T], 23[(-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 25[T], 26[T]}, {15[T], 21[T], 22[T], 23[T], 25[T], 26[T]}] Step with 18 Trace 14[T], 23[(-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 25[T], 26[T]}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {18[T]}] Covered Trace 14[T], 23[(-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 25[T], 26[T]}, {15[T], 16[T], 18[T], 21[T], 22[T], 23[T], 25[T], 26[T]}] Step with 24 Trace 14[T], 23[(-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0)], 24[(-1+n311 >= 0 /\ -3-n311-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -3-2*x^0 >= 0 /\ -4-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 25[T], 26[T]}, {15[T], 16[T], 18[T], 20[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {24[T]}] Covered Trace 14[T], 23[(-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 25[T], 26[T]}, {15[T], 16[T], 18[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}] Step with 19 Trace 14[T], 23[(-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 25[T], 26[T]}, {15[T], 16[T], 18[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {19[T]}] Covered Trace 14[T], 23[(-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 25[T], 26[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}] Backtrack Trace 14[T] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}] Step with 19 Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {19[T]}] Step with 23 Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 23[(-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {17[T], 19[T]}, {23[T]}] Covered Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {17[T], 19[T], 23[T]}] Step with 21 Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {17[T], 19[T], 23[T]}, {21[T]}] Covered Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {17[T], 19[T], 21[T], 23[T]}] Step with 15 Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {17[T], 19[T], 21[T], 23[T], 25[T], 26[T]}, {}] Step with 11 Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 15[T], 11[(x^0-y^0 <= 0 /\ 1+x^0+y^0 <= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {17[T], 19[T], 21[T], 23[T], 25[T], 26[T]}, {12[T]}, {}] Covered Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {17[T], 19[T], 21[T], 23[T], 25[T], 26[T]}, {11[T], 12[T]}] Step with 10 Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 15[T], 10[(1+x^0-y^0 <= 0 /\ -x^0-y^0 <= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {17[T], 19[T], 21[T], 23[T], 25[T], 26[T]}, {11[T], 12[T], 13[T]}, {}] Covered Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {17[T], 19[T], 21[T], 23[T], 25[T], 26[T]}, {10[T], 11[T], 12[T], 13[T]}] Backtrack Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 17[T], 19[T], 21[T], 23[T], 25[T], 26[T]}] Step with 22 Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 17[T], 19[T], 21[T], 23[T], 25[T], 26[T]}, {22[T]}] Covered Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}] Step with 16 Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {16[T]}] Step with 20 Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {16[T], 18[T]}, {20[T]}] Covered Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {16[T], 18[T], 20[T]}] Step with 17 Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {16[T], 18[T], 19[T], 20[T], 24[T]}, {17[T]}] Step with 25 Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {16[T], 18[T], 19[T], 20[T], 24[T]}, {17[T], 21[T], 23[T]}, {25[T]}] Covered Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {16[T], 18[T], 19[T], 20[T], 24[T]}, {17[T], 21[T], 23[T], 25[T]}] Step with 26 Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 26[(-1+n213 >= 0 /\ -3-2*y^0 >= 0 /\ -2-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1-2*y^0 >= 0 /\ -1+x^0-y^0 >= 0 /\ -3-n213-2*y^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {16[T], 18[T], 19[T], 20[T], 24[T]}, {17[T], 21[T], 23[T], 25[T]}, {26[T]}] Accelerate Start location: l4 Program variables: x^0 y^0 10: l0 -> l1 : x^0'=1+x^0, (1+x^0-y^0 <= 0 /\ -x^0-y^0 <= 0), cost: 1 11: l0 -> l1 : y^0'=1+y^0, (x^0-y^0 <= 0 /\ 1+x^0+y^0 <= 0), cost: 1 12: l0 -> l1 : x^0'=-1+x^0, (-1+x^0+y^0 <= 0 /\ 1-x^0+y^0 <= 0), cost: 1 13: l0 -> l1 : y^0'=-1+y^0, (-x^0+y^0 <= 0 /\ 2-x^0-y^0 <= 0), cost: 1 15: l1 -> l0 : T, cost: 1 16: l1 -> l1 : x^0'=x^0+n, (-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0), cost: 1 17: l1 -> l1 : y^0'=-n2+y^0, (x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0), cost: 1 18: l1 -> l1 : x^0'=-n3+x^0, (-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0), cost: 1 19: l1 -> l1 : y^0'=n4+y^0, (-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0), cost: 1 20: l1 -> l1 : x^0'=2-y^0, y^0'=2+n43-y^0, (-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0), cost: 1 21: l1 -> l1 : x^0'=2*n7+n-y^0, y^0'=-2*n7+y^0, (-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0), cost: 1 22: l1 -> l1 : x^0'=2*n12+x^0, y^0'=n43+2*n12+x^0, (-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0), cost: 1 23: l1 -> l1 : x^0'=-1-2*n1212-2*n121-n37-x^0, y^0'=2+2*n1212+2*n121+x^0, (-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0), cost: 1 24: l1 -> l1 : x^0'=-1-n311-x^0, y^0'=2+x^0, (-1+n311 >= 0 /\ -3-n311-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -3-2*x^0 >= 0 /\ -4-2*x^0 >= 0), cost: 1 25: l1 -> l1 : x^0'=1-2*n51-n311-y^0, y^0'=2*n51+y^0, (1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0), cost: 1 26: l1 -> l1 : x^0'=-1-y^0, y^0'=-1-n213-y^0, (-1+n213 >= 0 /\ -3-2*y^0 >= 0 /\ -2-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1-2*y^0 >= 0 /\ -1+x^0-y^0 >= 0 /\ -3-n213-2*y^0 >= 0), cost: 1 27: l1 -> l1 : x^0'=-2*n59+x^0, y^0'=-n213-2*n59+x^0, (-1+n213 >= 0 /\ -1-4*n59+2*x^0 >= 0 /\ x^0-y^0 >= 0 /\ -1+n59 >= 0 /\ 2-n213-4*n59+2*x^0 >= 0 /\ -1-n213-4*n59+2*x^0 >= 0 /\ -4*n59+2*x^0 >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ 1-4*n59+2*x^0 >= 0), cost: 1 14: l4 -> l1 : T, cost: 1 Loop Acceleration Original rule: l1 -> l1 : x^0'=-2+x^0, y^0'=-2-n213+x^0, (-1+n213 >= 0 /\ x^0-y^0 >= 0 /\ -5-n213+2*x^0 >= 0 /\ -4+2*x^0 >= 0 /\ -5+2*x^0 >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ -3+2*x^0 >= 0), cost: 1 New rule: l1 -> l1 : x^0'=-2*n59+x^0, y^0'=-n213-2*n59+x^0, (-1+n213 >= 0 /\ -1-4*n59+2*x^0 >= 0 /\ x^0-y^0 >= 0 /\ -1+n59 >= 0 /\ 2-n213-4*n59+2*x^0 >= 0 /\ -1-n213-4*n59+2*x^0 >= 0 /\ -4*n59+2*x^0 >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ 1-4*n59+2*x^0 >= 0), cost: 1 -1+n213 >= 0 [0]: monotonic increase yields -1+n213 >= 0 x^0-y^0 >= 0 [0]: monotonic increase yields x^0-y^0 >= 0, dependencies: -1+n213 >= 0 -5-n213+2*x^0 >= 0 [0]: montonic decrease yields -1-n213-4*n59+2*x^0 >= 0 -5-n213+2*x^0 >= 0 [1]: eventual increase yields (-5-n213+2*x^0 >= 0 /\ 4 <= 0) -4+2*x^0 >= 0 [0]: montonic decrease yields -4*n59+2*x^0 >= 0 -4+2*x^0 >= 0 [1]: eventual increase yields (-4+2*x^0 >= 0 /\ 4 <= 0) -5+2*x^0 >= 0 [0]: montonic decrease yields -1-4*n59+2*x^0 >= 0, dependencies: -1+n213 >= 0 -5-n213+2*x^0 >= 0 -5+2*x^0 >= 0 [1]: eventual increase yields (-5+2*x^0 >= 0 /\ 4 <= 0) -2+2*x^0 >= 0 [0]: monotonic increase yields -2+2*x^0 >= 0, dependencies: -1+n213 >= 0 -5-n213+2*x^0 >= 0 -2+x^0+y^0 >= 0 [0]: eventual decrease yields (2-n213-4*n59+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0) -3+2*x^0 >= 0 [0]: montonic decrease yields 1-4*n59+2*x^0 >= 0, dependencies: -1+n213 >= 0 -5-n213+2*x^0 >= 0 -3+2*x^0 >= 0 [1]: eventual increase yields (4 <= 0 /\ -3+2*x^0 >= 0) Replacement map: {-1+n213 >= 0 -> -1+n213 >= 0, x^0-y^0 >= 0 -> x^0-y^0 >= 0, -5-n213+2*x^0 >= 0 -> -1-n213-4*n59+2*x^0 >= 0, -4+2*x^0 >= 0 -> -4*n59+2*x^0 >= 0, -5+2*x^0 >= 0 -> -1-4*n59+2*x^0 >= 0, -2+2*x^0 >= 0 -> -2+2*x^0 >= 0, -2+x^0+y^0 >= 0 -> (2-n213-4*n59+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0), -3+2*x^0 >= 0 -> 1-4*n59+2*x^0 >= 0} Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 27[(-1+n213 >= 0 /\ -1-4*n59+2*x^0 >= 0 /\ x^0-y^0 >= 0 /\ -1+n59 >= 0 /\ 2-n213-4*n59+2*x^0 >= 0 /\ -1-n213-4*n59+2*x^0 >= 0 /\ -4*n59+2*x^0 >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ 1-4*n59+2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {16[T], 18[T], 19[T], 20[T], 24[T]}, {27[T]}] Covered Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {16[T], 18[T], 19[T], 20[T], 24[T], 27[T]}] Step with 15 Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {16[T], 18[T], 19[T], 20[T], 24[T], 27[T]}, {}] Step with 10 Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 15[T], 10[(1+x^0-y^0 <= 0 /\ -x^0-y^0 <= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {16[T], 18[T], 19[T], 20[T], 24[T], 27[T]}, {}, {}] Covered Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {16[T], 18[T], 19[T], 20[T], 24[T], 27[T]}, {10[T]}] Step with 13 Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 15[T], 13[(-x^0+y^0 <= 0 /\ 2-x^0-y^0 <= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {16[T], 18[T], 19[T], 20[T], 24[T], 27[T]}, {10[T], 11[T], 12[T]}, {}] Covered Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {16[T], 18[T], 19[T], 20[T], 24[T], 27[T]}, {10[T], 11[T], 12[T], 13[T]}] Backtrack Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 24[T], 27[T]}] Step with 17 Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 22[T], 24[T], 27[T]}, {17[T]}] Step with 25 Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 22[T], 24[T], 27[T]}, {17[T], 21[T], 23[T]}, {25[T]}] Covered Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 22[T], 24[T], 27[T]}, {17[T], 21[T], 23[T], 25[T]}] Step with 26 Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 26[(-1+n213 >= 0 /\ -3-2*y^0 >= 0 /\ -2-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1-2*y^0 >= 0 /\ -1+x^0-y^0 >= 0 /\ -3-n213-2*y^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 22[T], 24[T], 27[T]}, {17[T], 21[T], 23[T], 25[T]}, {26[T]}] Covered Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 22[T], 24[T], 27[T]}, {17[T], 21[T], 23[T], 25[T], 26[T]}] Step with 27 Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 27[(-1+n213 >= 0 /\ -1-4*n59+2*x^0 >= 0 /\ x^0-y^0 >= 0 /\ -1+n59 >= 0 /\ 2-n213-4*n59+2*x^0 >= 0 /\ -1-n213-4*n59+2*x^0 >= 0 /\ -4*n59+2*x^0 >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ 1-4*n59+2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 22[T], 24[T], 27[T]}, {17[T], 21[T], 23[T], 25[T], 26[T]}, {27[T]}] Covered Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 22[T], 24[T], 27[T]}, {17[T], 21[T], 23[T], 25[T], 26[T], 27[T]}] Step with 15 Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 22[T], 24[T], 27[T]}, {17[T], 21[T], 23[T], 25[T], 26[T], 27[T]}, {}] Step with 13 Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 15[T], 13[(-x^0+y^0 <= 0 /\ 2-x^0-y^0 <= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 22[T], 24[T], 27[T]}, {17[T], 21[T], 23[T], 25[T], 26[T], 27[T]}, {}, {}] Covered Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 22[T], 24[T], 27[T]}, {17[T], 21[T], 23[T], 25[T], 26[T], 27[T]}, {13[T]}] Step with 12 Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 15[T], 12[(-1+x^0+y^0 <= 0 /\ 1-x^0+y^0 <= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 22[T], 24[T], 27[T]}, {17[T], 21[T], 23[T], 25[T], 26[T], 27[T]}, {10[T], 13[T]}, {}] Covered Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 22[T], 24[T], 27[T]}, {17[T], 21[T], 23[T], 25[T], 26[T], 27[T]}, {10[T], 12[T], 13[T]}] Backtrack Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 22[T], 24[T], 27[T]}, {15[T], 17[T], 21[T], 23[T], 25[T], 26[T], 27[T]}] Step with 18 Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 22[T], 24[T], 27[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T]}, {18[T]}] Covered Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 22[T], 24[T], 27[T]}, {15[T], 16[T], 17[T], 18[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T]}] Backtrack Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T], 22[T], 24[T], 27[T]}] Step with 21 Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T], 22[T], 23[T], 24[T], 27[T]}, {21[T]}] Covered Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 27[T]}] Backtrack Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 16[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}] Step with 20 Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T]}, {20[T]}] Covered Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T]}] Step with 24 Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 24[(-1+n311 >= 0 /\ -3-n311-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -3-2*x^0 >= 0 /\ -4-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T]}, {24[T]}] Covered Trace 14[T], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}] Backtrack Trace 14[T] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}] Step with 24 Trace 14[T], 24[(-1+n311 >= 0 /\ -3-n311-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -3-2*x^0 >= 0 /\ -4-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {24[T]}] Step with 19 Trace 14[T], 24[(-1+n311 >= 0 /\ -3-n311-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -3-2*x^0 >= 0 /\ -4-2*x^0 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {24[T]}, {19[T]}] Covered Trace 14[T], 24[(-1+n311 >= 0 /\ -3-n311-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -3-2*x^0 >= 0 /\ -4-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {19[T], 24[T]}] Step with 23 Trace 14[T], 24[(-1+n311 >= 0 /\ -3-n311-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -3-2*x^0 >= 0 /\ -4-2*x^0 >= 0)], 23[(-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {17[T], 19[T], 24[T]}, {23[T]}] Covered Trace 14[T], 24[(-1+n311 >= 0 /\ -3-n311-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -3-2*x^0 >= 0 /\ -4-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {17[T], 19[T], 23[T], 24[T]}] Step with 25 Trace 14[T], 24[(-1+n311 >= 0 /\ -3-n311-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -3-2*x^0 >= 0 /\ -4-2*x^0 >= 0)], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {17[T], 19[T], 21[T], 23[T], 24[T]}, {25[T]}] Covered Trace 14[T], 24[(-1+n311 >= 0 /\ -3-n311-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -3-2*x^0 >= 0 /\ -4-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {17[T], 19[T], 21[T], 23[T], 24[T], 25[T]}] Step with 26 Trace 14[T], 24[(-1+n311 >= 0 /\ -3-n311-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -3-2*x^0 >= 0 /\ -4-2*x^0 >= 0)], 26[(-1+n213 >= 0 /\ -3-2*y^0 >= 0 /\ -2-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1-2*y^0 >= 0 /\ -1+x^0-y^0 >= 0 /\ -3-n213-2*y^0 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {17[T], 19[T], 21[T], 23[T], 24[T], 25[T]}, {26[T]}] Covered Trace 14[T], 24[(-1+n311 >= 0 /\ -3-n311-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -3-2*x^0 >= 0 /\ -4-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {17[T], 19[T], 21[T], 23[T], 24[T], 25[T], 26[T]}] Step with 15 Trace 14[T], 24[(-1+n311 >= 0 /\ -3-n311-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -3-2*x^0 >= 0 /\ -4-2*x^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {17[T], 19[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {}] Step with 12 Trace 14[T], 24[(-1+n311 >= 0 /\ -3-n311-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -3-2*x^0 >= 0 /\ -4-2*x^0 >= 0)], 15[T], 12[(-1+x^0+y^0 <= 0 /\ 1-x^0+y^0 <= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {17[T], 19[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {}, {}] Covered Trace 14[T], 24[(-1+n311 >= 0 /\ -3-n311-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -3-2*x^0 >= 0 /\ -4-2*x^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {17[T], 19[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {12[T]}] Step with 11 Trace 14[T], 24[(-1+n311 >= 0 /\ -3-n311-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -3-2*x^0 >= 0 /\ -4-2*x^0 >= 0)], 15[T], 11[(x^0-y^0 <= 0 /\ 1+x^0+y^0 <= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {17[T], 19[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {12[T]}, {}] Covered Trace 14[T], 24[(-1+n311 >= 0 /\ -3-n311-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -3-2*x^0 >= 0 /\ -4-2*x^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {17[T], 19[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {11[T], 12[T]}] Backtrack Trace 14[T], 24[(-1+n311 >= 0 /\ -3-n311-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -3-2*x^0 >= 0 /\ -4-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 17[T], 19[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}] Step with 22 Trace 14[T], 24[(-1+n311 >= 0 /\ -3-n311-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -3-2*x^0 >= 0 /\ -4-2*x^0 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 17[T], 19[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {22[T]}] Covered Trace 14[T], 24[(-1+n311 >= 0 /\ -3-n311-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -3-2*x^0 >= 0 /\ -4-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}] Step with 18 Trace 14[T], 24[(-1+n311 >= 0 /\ -3-n311-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -3-2*x^0 >= 0 /\ -4-2*x^0 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 16[T], 17[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {18[T]}] Covered Trace 14[T], 24[(-1+n311 >= 0 /\ -3-n311-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -3-2*x^0 >= 0 /\ -4-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}] Backtrack Trace 14[T] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}] Step with 18 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {18[T]}] Step with 24 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 24[(-1+n311 >= 0 /\ -3-n311-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -3-2*x^0 >= 0 /\ -4-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {18[T], 20[T]}, {24[T]}] Covered Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {18[T], 20[T], 24[T]}] Step with 19 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {18[T], 20[T], 24[T]}, {19[T]}] Step with 23 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 23[(-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {18[T], 20[T], 24[T]}, {17[T], 19[T]}, {23[T]}] Covered Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {18[T], 20[T], 24[T]}, {17[T], 19[T], 23[T]}] Step with 21 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {18[T], 20[T], 24[T]}, {17[T], 19[T], 23[T]}, {21[T]}] Covered Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {18[T], 20[T], 24[T]}, {17[T], 19[T], 21[T], 23[T]}] Step with 15 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {18[T], 20[T], 24[T]}, {17[T], 19[T], 21[T], 23[T], 25[T], 26[T], 27[T]}, {}] Step with 11 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 15[T], 11[(x^0-y^0 <= 0 /\ 1+x^0+y^0 <= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {18[T], 20[T], 24[T]}, {17[T], 19[T], 21[T], 23[T], 25[T], 26[T], 27[T]}, {}, {}] Covered Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {18[T], 20[T], 24[T]}, {17[T], 19[T], 21[T], 23[T], 25[T], 26[T], 27[T]}, {11[T]}] Step with 10 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 15[T], 10[(1+x^0-y^0 <= 0 /\ -x^0-y^0 <= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {18[T], 20[T], 24[T]}, {17[T], 19[T], 21[T], 23[T], 25[T], 26[T], 27[T]}, {11[T], 13[T]}, {}] Covered Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {18[T], 20[T], 24[T]}, {17[T], 19[T], 21[T], 23[T], 25[T], 26[T], 27[T]}, {10[T], 11[T], 13[T]}] Backtrack Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {18[T], 20[T], 24[T]}, {15[T], 17[T], 19[T], 21[T], 23[T], 25[T], 26[T], 27[T]}] Step with 22 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {18[T], 20[T], 24[T]}, {15[T], 17[T], 19[T], 21[T], 23[T], 25[T], 26[T], 27[T]}, {22[T]}] Covered Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {18[T], 20[T], 24[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T]}] Step with 16 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {18[T], 20[T], 24[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T]}, {16[T]}] Step with 20 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {18[T], 20[T], 24[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T]}, {16[T], 18[T]}, {20[T]}] Covered Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {18[T], 20[T], 24[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T]}, {16[T], 18[T], 20[T]}] Step with 17 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {18[T], 20[T], 24[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T]}, {16[T], 18[T], 19[T], 20[T], 24[T]}, {17[T]}] Covered Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {18[T], 20[T], 24[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T]}, {16[T], 17[T], 18[T], 19[T], 20[T], 24[T]}] Step with 21 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {18[T], 20[T], 24[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T]}, {16[T], 17[T], 18[T], 19[T], 20[T], 23[T], 24[T]}, {21[T]}] Covered Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {18[T], 20[T], 24[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T]}, {16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T]}] Step with 27 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 27[(-1+n213 >= 0 /\ -1-4*n59+2*x^0 >= 0 /\ x^0-y^0 >= 0 /\ -1+n59 >= 0 /\ 2-n213-4*n59+2*x^0 >= 0 /\ -1-n213-4*n59+2*x^0 >= 0 /\ -4*n59+2*x^0 >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ 1-4*n59+2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {18[T], 20[T], 24[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T]}, {16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T]}, {27[T]}] Covered Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {18[T], 20[T], 24[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T]}, {16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}] Step with 15 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {18[T], 20[T], 24[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T]}, {16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {}] Step with 10 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 15[T], 10[(1+x^0-y^0 <= 0 /\ -x^0-y^0 <= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {18[T], 20[T], 24[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T]}, {16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {}, {}] Covered Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {18[T], 20[T], 24[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T]}, {16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {10[T]}] Step with 13 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 15[T], 13[(-x^0+y^0 <= 0 /\ 2-x^0-y^0 <= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {18[T], 20[T], 24[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T]}, {16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {10[T], 11[T], 12[T]}, {}] Covered Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {18[T], 20[T], 24[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T]}, {16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {10[T], 11[T], 12[T], 13[T]}] Backtrack Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {18[T], 20[T], 24[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}] Backtrack Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {18[T], 20[T], 24[T]}, {15[T], 16[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T]}] Step with 20 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {18[T], 20[T], 24[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T]}, {20[T]}] Covered Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {18[T], 20[T], 24[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T]}] Step with 24 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 24[(-1+n311 >= 0 /\ -3-n311-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -3-2*x^0 >= 0 /\ -4-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {18[T], 20[T], 24[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T]}, {24[T]}] Covered Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {18[T], 20[T], 24[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}] Backtrack Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {18[T], 19[T], 20[T], 24[T]}] Step with 23 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 23[(-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {17[T], 18[T], 19[T], 20[T], 24[T]}, {23[T]}] Covered Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {17[T], 18[T], 19[T], 20[T], 23[T], 24[T]}] Step with 25 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T]}, {25[T]}] Covered Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T]}] Step with 26 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 26[(-1+n213 >= 0 /\ -3-2*y^0 >= 0 /\ -2-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1-2*y^0 >= 0 /\ -1+x^0-y^0 >= 0 /\ -3-n213-2*y^0 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T]}, {26[T]}] Covered Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T]}] Step with 15 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {}] Step with 12 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 15[T], 12[(-1+x^0+y^0 <= 0 /\ 1-x^0+y^0 <= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {10[T], 13[T]}, {}] Covered Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {10[T], 12[T], 13[T]}] Step with 11 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 15[T], 11[(x^0-y^0 <= 0 /\ 1+x^0+y^0 <= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {10[T], 12[T], 13[T]}, {}] Covered Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {10[T], 11[T], 12[T], 13[T]}] Backtrack Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}] Step with 22 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {22[T]}] Step with 16 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {22[T]}, {16[T]}] Acceleration Failed marked recursive suffix as redundant Step with 17 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {22[T]}, {16[T], 18[T], 19[T], 20[T], 24[T]}, {17[T]}] Covered Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {22[T]}, {16[T], 17[T], 18[T], 19[T], 20[T], 24[T]}] Step with 21 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {22[T]}, {16[T], 17[T], 18[T], 19[T], 20[T], 23[T], 24[T]}, {21[T]}] Covered Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {22[T]}, {16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T]}] Step with 27 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 27[(-1+n213 >= 0 /\ -1-4*n59+2*x^0 >= 0 /\ x^0-y^0 >= 0 /\ -1+n59 >= 0 /\ 2-n213-4*n59+2*x^0 >= 0 /\ -1-n213-4*n59+2*x^0 >= 0 /\ -4*n59+2*x^0 >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ 1-4*n59+2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {22[T]}, {16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T]}, {27[T]}] Covered Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {22[T]}, {16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}] Step with 15 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {22[T]}, {16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {}] Step with 13 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 15[T], 13[(-x^0+y^0 <= 0 /\ 2-x^0-y^0 <= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {22[T]}, {16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {11[T]}, {}] Covered Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {22[T]}, {16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {11[T], 13[T]}] Step with 10 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 15[T], 10[(1+x^0-y^0 <= 0 /\ -x^0-y^0 <= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {22[T]}, {16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {11[T], 13[T]}, {}] Covered Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {22[T]}, {16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {10[T], 11[T], 13[T]}] Backtrack Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {22[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}] Backtrack Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {16[T], 22[T]}] Step with 15 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {16[T], 22[T]}, {}] Step with 10 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 15[T], 10[(1+x^0-y^0 <= 0 /\ -x^0-y^0 <= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {16[T], 22[T]}, {}, {}] Covered Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {16[T], 22[T]}, {10[T]}] Step with 11 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 15[T], 11[(x^0-y^0 <= 0 /\ 1+x^0+y^0 <= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {16[T], 22[T]}, {10[T], 12[T]}, {}] Covered Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {16[T], 22[T]}, {10[T], 11[T], 12[T]}] Backtrack Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {15[T], 16[T], 22[T]}] Step with 20 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {15[T], 16[T], 18[T], 22[T]}, {20[T]}] Covered Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {15[T], 16[T], 18[T], 20[T], 22[T]}] Step with 24 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 24[(-1+n311 >= 0 /\ -3-n311-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -3-2*x^0 >= 0 /\ -4-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {15[T], 16[T], 18[T], 20[T], 22[T]}, {24[T]}] Covered Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {15[T], 16[T], 18[T], 20[T], 22[T], 24[T]}] Step with 19 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {15[T], 16[T], 18[T], 20[T], 22[T], 24[T]}, {19[T]}] Covered Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 22[T], 24[T]}] Step with 23 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 23[(-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T], 22[T], 24[T]}, {23[T]}] Covered Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T], 22[T], 23[T], 24[T]}] Step with 21 Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T], 22[T], 23[T], 24[T]}, {21[T]}] Covered Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T]}] Backtrack Trace 14[T], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T], 16[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}] Backtrack Trace 14[T] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}] Step with 27 Trace 14[T], 27[(-1+n213 >= 0 /\ -1-4*n59+2*x^0 >= 0 /\ x^0-y^0 >= 0 /\ -1+n59 >= 0 /\ 2-n213-4*n59+2*x^0 >= 0 /\ -1-n213-4*n59+2*x^0 >= 0 /\ -4*n59+2*x^0 >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ 1-4*n59+2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {27[T]}] Step with 15 Trace 14[T], 27[(-1+n213 >= 0 /\ -1-4*n59+2*x^0 >= 0 /\ x^0-y^0 >= 0 /\ -1+n59 >= 0 /\ 2-n213-4*n59+2*x^0 >= 0 /\ -1-n213-4*n59+2*x^0 >= 0 /\ -4*n59+2*x^0 >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ 1-4*n59+2*x^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {27[T]}, {}] Step with 13 Trace 14[T], 27[(-1+n213 >= 0 /\ -1-4*n59+2*x^0 >= 0 /\ x^0-y^0 >= 0 /\ -1+n59 >= 0 /\ 2-n213-4*n59+2*x^0 >= 0 /\ -1-n213-4*n59+2*x^0 >= 0 /\ -4*n59+2*x^0 >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ 1-4*n59+2*x^0 >= 0)], 15[T], 13[(-x^0+y^0 <= 0 /\ 2-x^0-y^0 <= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {27[T]}, {11[T]}, {}] Covered Trace 14[T], 27[(-1+n213 >= 0 /\ -1-4*n59+2*x^0 >= 0 /\ x^0-y^0 >= 0 /\ -1+n59 >= 0 /\ 2-n213-4*n59+2*x^0 >= 0 /\ -1-n213-4*n59+2*x^0 >= 0 /\ -4*n59+2*x^0 >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ 1-4*n59+2*x^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {27[T]}, {11[T], 13[T]}] Step with 12 Trace 14[T], 27[(-1+n213 >= 0 /\ -1-4*n59+2*x^0 >= 0 /\ x^0-y^0 >= 0 /\ -1+n59 >= 0 /\ 2-n213-4*n59+2*x^0 >= 0 /\ -1-n213-4*n59+2*x^0 >= 0 /\ -4*n59+2*x^0 >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ 1-4*n59+2*x^0 >= 0)], 15[T], 12[(-1+x^0+y^0 <= 0 /\ 1-x^0+y^0 <= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {27[T]}, {10[T], 11[T], 13[T]}, {}] Covered Trace 14[T], 27[(-1+n213 >= 0 /\ -1-4*n59+2*x^0 >= 0 /\ x^0-y^0 >= 0 /\ -1+n59 >= 0 /\ 2-n213-4*n59+2*x^0 >= 0 /\ -1-n213-4*n59+2*x^0 >= 0 /\ -4*n59+2*x^0 >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ 1-4*n59+2*x^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {27[T]}, {10[T], 11[T], 12[T], 13[T]}] Backtrack Trace 14[T], 27[(-1+n213 >= 0 /\ -1-4*n59+2*x^0 >= 0 /\ x^0-y^0 >= 0 /\ -1+n59 >= 0 /\ 2-n213-4*n59+2*x^0 >= 0 /\ -1-n213-4*n59+2*x^0 >= 0 /\ -4*n59+2*x^0 >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ 1-4*n59+2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {15[T], 27[T]}] Step with 18 Trace 14[T], 27[(-1+n213 >= 0 /\ -1-4*n59+2*x^0 >= 0 /\ x^0-y^0 >= 0 /\ -1+n59 >= 0 /\ 2-n213-4*n59+2*x^0 >= 0 /\ -1-n213-4*n59+2*x^0 >= 0 /\ -4*n59+2*x^0 >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ 1-4*n59+2*x^0 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {15[T], 16[T], 22[T], 27[T]}, {18[T]}] Covered Trace 14[T], 27[(-1+n213 >= 0 /\ -1-4*n59+2*x^0 >= 0 /\ x^0-y^0 >= 0 /\ -1+n59 >= 0 /\ 2-n213-4*n59+2*x^0 >= 0 /\ -1-n213-4*n59+2*x^0 >= 0 /\ -4*n59+2*x^0 >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ 1-4*n59+2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {15[T], 16[T], 18[T], 22[T], 27[T]}] Step with 17 Trace 14[T], 27[(-1+n213 >= 0 /\ -1-4*n59+2*x^0 >= 0 /\ x^0-y^0 >= 0 /\ -1+n59 >= 0 /\ 2-n213-4*n59+2*x^0 >= 0 /\ -1-n213-4*n59+2*x^0 >= 0 /\ -4*n59+2*x^0 >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ 1-4*n59+2*x^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 22[T], 24[T], 27[T]}, {17[T]}] Covered Trace 14[T], 27[(-1+n213 >= 0 /\ -1-4*n59+2*x^0 >= 0 /\ x^0-y^0 >= 0 /\ -1+n59 >= 0 /\ 2-n213-4*n59+2*x^0 >= 0 /\ -1-n213-4*n59+2*x^0 >= 0 /\ -4*n59+2*x^0 >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ 1-4*n59+2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T], 22[T], 24[T], 27[T]}] Step with 25 Trace 14[T], 27[(-1+n213 >= 0 /\ -1-4*n59+2*x^0 >= 0 /\ x^0-y^0 >= 0 /\ -1+n59 >= 0 /\ 2-n213-4*n59+2*x^0 >= 0 /\ -1-n213-4*n59+2*x^0 >= 0 /\ -4*n59+2*x^0 >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ 1-4*n59+2*x^0 >= 0)], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 27[T]}, {25[T]}] Covered Trace 14[T], 27[(-1+n213 >= 0 /\ -1-4*n59+2*x^0 >= 0 /\ x^0-y^0 >= 0 /\ -1+n59 >= 0 /\ 2-n213-4*n59+2*x^0 >= 0 /\ -1-n213-4*n59+2*x^0 >= 0 /\ -4*n59+2*x^0 >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ 1-4*n59+2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 27[T]}] Step with 26 Trace 14[T], 27[(-1+n213 >= 0 /\ -1-4*n59+2*x^0 >= 0 /\ x^0-y^0 >= 0 /\ -1+n59 >= 0 /\ 2-n213-4*n59+2*x^0 >= 0 /\ -1-n213-4*n59+2*x^0 >= 0 /\ -4*n59+2*x^0 >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ 1-4*n59+2*x^0 >= 0)], 26[(-1+n213 >= 0 /\ -3-2*y^0 >= 0 /\ -2-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1-2*y^0 >= 0 /\ -1+x^0-y^0 >= 0 /\ -3-n213-2*y^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 27[T]}, {26[T]}] Covered Trace 14[T], 27[(-1+n213 >= 0 /\ -1-4*n59+2*x^0 >= 0 /\ x^0-y^0 >= 0 /\ -1+n59 >= 0 /\ 2-n213-4*n59+2*x^0 >= 0 /\ -1-n213-4*n59+2*x^0 >= 0 /\ -4*n59+2*x^0 >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ 1-4*n59+2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}] Backtrack Trace 14[T] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}] Step with 20 Trace 14[T], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {20[T]}] Step with 24 Trace 14[T], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 24[(-1+n311 >= 0 /\ -3-n311-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -3-2*x^0 >= 0 /\ -4-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {20[T]}, {24[T]}] Covered Trace 14[T], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {20[T], 24[T]}] Step with 19 Trace 14[T], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {20[T], 24[T]}, {19[T]}] Covered Trace 14[T], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {19[T], 20[T], 24[T]}] Step with 23 Trace 14[T], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 23[(-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {17[T], 19[T], 20[T], 24[T]}, {23[T]}] Covered Trace 14[T], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {17[T], 19[T], 20[T], 23[T], 24[T]}] Step with 21 Trace 14[T], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {17[T], 19[T], 20[T], 23[T], 24[T]}, {21[T]}] Covered Trace 14[T], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {17[T], 19[T], 20[T], 21[T], 23[T], 24[T]}] Step with 15 Trace 14[T], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {17[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {}] Step with 11 Trace 14[T], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 15[T], 11[(x^0-y^0 <= 0 /\ 1+x^0+y^0 <= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {17[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {12[T]}, {}] Covered Trace 14[T], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {17[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {11[T], 12[T]}] Step with 10 Trace 14[T], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 15[T], 10[(1+x^0-y^0 <= 0 /\ -x^0-y^0 <= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {17[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {11[T], 12[T], 13[T]}, {}] Covered Trace 14[T], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {17[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {10[T], 11[T], 12[T], 13[T]}] Backtrack Trace 14[T], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {15[T], 17[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}] Step with 22 Trace 14[T], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {15[T], 17[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {22[T]}] Covered Trace 14[T], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {15[T], 17[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}] Step with 16 Trace 14[T], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {15[T], 17[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {16[T]}] Covered Trace 14[T], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {15[T], 16[T], 17[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}] Backtrack Trace 14[T] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}] Step with 17 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {17[T]}] Step with 25 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {17[T], 21[T], 23[T]}, {25[T]}] Step with 26 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)], 26[(-1+n213 >= 0 /\ -3-2*y^0 >= 0 /\ -2-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1-2*y^0 >= 0 /\ -1+x^0-y^0 >= 0 /\ -3-n213-2*y^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {17[T], 21[T], 23[T]}, {25[T]}, {26[T]}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {17[T], 21[T], 23[T]}, {25[T], 26[T]}] Step with 15 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {17[T], 21[T], 23[T]}, {25[T], 26[T], 27[T]}, {}] Step with 12 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)], 15[T], 12[(-1+x^0+y^0 <= 0 /\ 1-x^0+y^0 <= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {17[T], 21[T], 23[T]}, {25[T], 26[T], 27[T]}, {10[T]}, {}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {17[T], 21[T], 23[T]}, {25[T], 26[T], 27[T]}, {10[T], 12[T]}] Step with 11 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)], 15[T], 11[(x^0-y^0 <= 0 /\ 1+x^0+y^0 <= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {17[T], 21[T], 23[T]}, {25[T], 26[T], 27[T]}, {10[T], 12[T]}, {}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {17[T], 21[T], 23[T]}, {25[T], 26[T], 27[T]}, {10[T], 11[T], 12[T]}] Backtrack Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {17[T], 21[T], 23[T]}, {15[T], 25[T], 26[T], 27[T]}] Step with 22 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {17[T], 21[T], 23[T]}, {15[T], 25[T], 26[T], 27[T]}, {22[T]}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {17[T], 21[T], 23[T]}, {15[T], 22[T], 25[T], 26[T], 27[T]}] Step with 18 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {17[T], 21[T], 23[T]}, {15[T], 16[T], 22[T], 25[T], 26[T], 27[T]}, {18[T]}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {17[T], 21[T], 23[T]}, {15[T], 16[T], 18[T], 22[T], 25[T], 26[T], 27[T]}] Step with 24 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)], 24[(-1+n311 >= 0 /\ -3-n311-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -3-2*x^0 >= 0 /\ -4-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {17[T], 21[T], 23[T]}, {15[T], 16[T], 18[T], 20[T], 22[T], 25[T], 26[T], 27[T]}, {24[T]}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {17[T], 21[T], 23[T]}, {15[T], 16[T], 18[T], 20[T], 22[T], 24[T], 25[T], 26[T], 27[T]}] Step with 19 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {17[T], 21[T], 23[T]}, {15[T], 16[T], 18[T], 20[T], 22[T], 24[T], 25[T], 26[T], 27[T]}, {19[T]}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {17[T], 21[T], 23[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 22[T], 24[T], 25[T], 26[T], 27[T]}] Step with 23 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)], 23[(-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {17[T], 21[T], 23[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T], 22[T], 24[T], 25[T], 26[T], 27[T]}, {23[T]}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {17[T], 21[T], 23[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}] Backtrack Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {17[T], 21[T], 23[T], 25[T]}] Step with 26 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 26[(-1+n213 >= 0 /\ -3-2*y^0 >= 0 /\ -2-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1-2*y^0 >= 0 /\ -1+x^0-y^0 >= 0 /\ -3-n213-2*y^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {17[T], 21[T], 23[T], 25[T]}, {26[T]}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {17[T], 21[T], 23[T], 25[T], 26[T]}] Step with 27 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 27[(-1+n213 >= 0 /\ -1-4*n59+2*x^0 >= 0 /\ x^0-y^0 >= 0 /\ -1+n59 >= 0 /\ 2-n213-4*n59+2*x^0 >= 0 /\ -1-n213-4*n59+2*x^0 >= 0 /\ -4*n59+2*x^0 >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ 1-4*n59+2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {17[T], 21[T], 23[T], 25[T], 26[T]}, {27[T]}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {17[T], 21[T], 23[T], 25[T], 26[T], 27[T]}] Step with 15 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {17[T], 21[T], 23[T], 25[T], 26[T], 27[T]}, {}] Step with 13 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 15[T], 13[(-x^0+y^0 <= 0 /\ 2-x^0-y^0 <= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {17[T], 21[T], 23[T], 25[T], 26[T], 27[T]}, {11[T]}, {}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {17[T], 21[T], 23[T], 25[T], 26[T], 27[T]}, {11[T], 13[T]}] Step with 12 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 15[T], 12[(-1+x^0+y^0 <= 0 /\ 1-x^0+y^0 <= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {17[T], 21[T], 23[T], 25[T], 26[T], 27[T]}, {10[T], 11[T], 13[T]}, {}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {17[T], 21[T], 23[T], 25[T], 26[T], 27[T]}, {10[T], 11[T], 12[T], 13[T]}] Backtrack Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {15[T], 17[T], 21[T], 23[T], 25[T], 26[T], 27[T]}] Step with 18 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T]}, {18[T]}] Step with 24 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 24[(-1+n311 >= 0 /\ -3-n311-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -3-2*x^0 >= 0 /\ -4-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T]}, {18[T], 20[T]}, {24[T]}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T]}, {18[T], 20[T], 24[T]}] Step with 19 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T]}, {18[T], 20[T], 24[T]}, {19[T]}] Step with 23 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 23[(-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T]}, {18[T], 20[T], 24[T]}, {17[T], 19[T]}, {23[T]}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T]}, {18[T], 20[T], 24[T]}, {17[T], 19[T], 23[T]}] Step with 21 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T]}, {18[T], 20[T], 24[T]}, {17[T], 19[T], 23[T]}, {21[T]}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T]}, {18[T], 20[T], 24[T]}, {17[T], 19[T], 21[T], 23[T]}] Step with 15 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T]}, {18[T], 20[T], 24[T]}, {17[T], 19[T], 21[T], 23[T], 25[T], 26[T], 27[T]}, {}] Step with 11 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 15[T], 11[(x^0-y^0 <= 0 /\ 1+x^0+y^0 <= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T]}, {18[T], 20[T], 24[T]}, {17[T], 19[T], 21[T], 23[T], 25[T], 26[T], 27[T]}, {12[T]}, {}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T]}, {18[T], 20[T], 24[T]}, {17[T], 19[T], 21[T], 23[T], 25[T], 26[T], 27[T]}, {11[T], 12[T]}] Step with 10 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 15[T], 10[(1+x^0-y^0 <= 0 /\ -x^0-y^0 <= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T]}, {18[T], 20[T], 24[T]}, {17[T], 19[T], 21[T], 23[T], 25[T], 26[T], 27[T]}, {11[T], 12[T], 13[T]}, {}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T]}, {18[T], 20[T], 24[T]}, {17[T], 19[T], 21[T], 23[T], 25[T], 26[T], 27[T]}, {10[T], 11[T], 12[T], 13[T]}] Backtrack Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T]}, {18[T], 20[T], 24[T]}, {15[T], 17[T], 19[T], 21[T], 23[T], 25[T], 26[T], 27[T]}] Step with 22 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T]}, {18[T], 20[T], 24[T]}, {15[T], 17[T], 19[T], 21[T], 23[T], 25[T], 26[T], 27[T]}, {22[T]}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T]}, {18[T], 20[T], 24[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T]}] Step with 16 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T]}, {18[T], 20[T], 24[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T]}, {16[T]}] Accelerate Start location: l4 Program variables: x^0 y^0 10: l0 -> l1 : x^0'=1+x^0, (1+x^0-y^0 <= 0 /\ -x^0-y^0 <= 0), cost: 1 11: l0 -> l1 : y^0'=1+y^0, (x^0-y^0 <= 0 /\ 1+x^0+y^0 <= 0), cost: 1 12: l0 -> l1 : x^0'=-1+x^0, (-1+x^0+y^0 <= 0 /\ 1-x^0+y^0 <= 0), cost: 1 13: l0 -> l1 : y^0'=-1+y^0, (-x^0+y^0 <= 0 /\ 2-x^0-y^0 <= 0), cost: 1 15: l1 -> l0 : T, cost: 1 16: l1 -> l1 : x^0'=x^0+n, (-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0), cost: 1 17: l1 -> l1 : y^0'=-n2+y^0, (x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0), cost: 1 18: l1 -> l1 : x^0'=-n3+x^0, (-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0), cost: 1 19: l1 -> l1 : y^0'=n4+y^0, (-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0), cost: 1 20: l1 -> l1 : x^0'=2-y^0, y^0'=2+n43-y^0, (-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0), cost: 1 21: l1 -> l1 : x^0'=2*n7+n-y^0, y^0'=-2*n7+y^0, (-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0), cost: 1 22: l1 -> l1 : x^0'=2*n12+x^0, y^0'=n43+2*n12+x^0, (-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0), cost: 1 23: l1 -> l1 : x^0'=-1-2*n1212-2*n121-n37-x^0, y^0'=2+2*n1212+2*n121+x^0, (-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0), cost: 1 24: l1 -> l1 : x^0'=-1-n311-x^0, y^0'=2+x^0, (-1+n311 >= 0 /\ -3-n311-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -3-2*x^0 >= 0 /\ -4-2*x^0 >= 0), cost: 1 25: l1 -> l1 : x^0'=1-2*n51-n311-y^0, y^0'=2*n51+y^0, (1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0), cost: 1 26: l1 -> l1 : x^0'=-1-y^0, y^0'=-1-n213-y^0, (-1+n213 >= 0 /\ -3-2*y^0 >= 0 /\ -2-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1-2*y^0 >= 0 /\ -1+x^0-y^0 >= 0 /\ -3-n213-2*y^0 >= 0), cost: 1 27: l1 -> l1 : x^0'=-2*n59+x^0, y^0'=-n213-2*n59+x^0, (-1+n213 >= 0 /\ -1-4*n59+2*x^0 >= 0 /\ x^0-y^0 >= 0 /\ -1+n59 >= 0 /\ 2-n213-4*n59+2*x^0 >= 0 /\ -1-n213-4*n59+2*x^0 >= 0 /\ -4*n59+2*x^0 >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ 1-4*n59+2*x^0 >= 0), cost: 1 28: l1 -> l1 : x^0'=2+n81-x^0, y^0'=-2+x^0, (-4-n81+2*x^0 >= 0 /\ -1+n81 >= 0 /\ x^0-y^0 >= 0 /\ -4+2*x^0 >= 0 /\ -5+2*x^0 >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ -3+2*x^0 >= 0), cost: 1 14: l4 -> l1 : T, cost: 1 unrolling Original rule: l1 -> l1 : x^0'=1-x^0+n, y^0'=-1+x^0, (x^0-y^0 >= 0 /\ -1+n >= 0 /\ -2+2*x^0-n >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ -3+2*x^0 >= 0), cost: 1 New rule: l1 -> l1 : x^0'=n81+x^0-n, y^0'=-x^0+n, (-1+n81 >= 0 /\ x^0-y^0 >= 0 /\ -1-2*x^0+2*n >= 0 /\ -2+n >= 0 /\ -1+n >= 0 /\ -2+2*x^0-n >= 0 /\ 2-2*x^0+n >= 0 /\ -2*x^0+2*n >= 0 /\ -n81-2*x^0+2*n >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ -3+2*x^0 >= 0), cost: 1 rule cannot be iterated more than once made implied equalities explicit Original rule: l1 -> l1 : x^0'=n81+x^0-n, y^0'=-x^0+n, (-1+n81 >= 0 /\ x^0-y^0 >= 0 /\ -1-2*x^0+2*n >= 0 /\ -2+n >= 0 /\ -1+n >= 0 /\ -2+2*x^0-n >= 0 /\ 2-2*x^0+n >= 0 /\ -2*x^0+2*n >= 0 /\ -n81-2*x^0+2*n >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ -3+2*x^0 >= 0), cost: 1 New rule: l1 -> l1 : x^0'=n81+x^0-n, y^0'=-x^0+n, (-1+n81 >= 0 /\ x^0-y^0 >= 0 /\ -1-2*x^0+2*n >= 0 /\ -2+n >= 0 /\ -1+n >= 0 /\ -2+2*x^0-n >= 0 /\ 2-2*x^0+n >= 0 /\ 2-2*x^0+n == 0 /\ -2*x^0+2*n >= 0 /\ -n81-2*x^0+2*n >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ -3+2*x^0 >= 0), cost: 1 Propagated Equalities Original rule: l1 -> l1 : x^0'=n81+x^0-n, y^0'=-x^0+n, (-1+n81 >= 0 /\ x^0-y^0 >= 0 /\ -1-2*x^0+2*n >= 0 /\ -2+n >= 0 /\ -1+n >= 0 /\ -2+2*x^0-n >= 0 /\ 2-2*x^0+n >= 0 /\ 2-2*x^0+n == 0 /\ -2*x^0+2*n >= 0 /\ -n81-2*x^0+2*n >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ -3+2*x^0 >= 0), cost: 1 New rule: l1 -> l1 : x^0'=2+n81-x^0, y^0'=-2+x^0, (0 >= 0 /\ 0 == 0 /\ -4-n81+2*x^0 >= 0 /\ -1+n81 >= 0 /\ x^0-y^0 >= 0 /\ -4+2*x^0 >= 0 /\ -5+2*x^0 >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ -3+2*x^0 >= 0), cost: 1 propagated equality n = -2+2*x^0 Simplified Guard Original rule: l1 -> l1 : x^0'=2+n81-x^0, y^0'=-2+x^0, (0 >= 0 /\ 0 == 0 /\ -4-n81+2*x^0 >= 0 /\ -1+n81 >= 0 /\ x^0-y^0 >= 0 /\ -4+2*x^0 >= 0 /\ -5+2*x^0 >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ -3+2*x^0 >= 0), cost: 1 New rule: l1 -> l1 : x^0'=2+n81-x^0, y^0'=-2+x^0, (-4-n81+2*x^0 >= 0 /\ -1+n81 >= 0 /\ x^0-y^0 >= 0 /\ -4+2*x^0 >= 0 /\ -5+2*x^0 >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ -3+2*x^0 >= 0), cost: 1 Trace 14[T], 28[(-4-n81+2*x^0 >= 0 /\ -1+n81 >= 0 /\ x^0-y^0 >= 0 /\ -4+2*x^0 >= 0 /\ -5+2*x^0 >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ -3+2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {28[T]}] Step with 15 Trace 14[T], 28[(-4-n81+2*x^0 >= 0 /\ -1+n81 >= 0 /\ x^0-y^0 >= 0 /\ -4+2*x^0 >= 0 /\ -5+2*x^0 >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ -3+2*x^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {28[T]}, {}] Step with 10 Trace 14[T], 28[(-4-n81+2*x^0 >= 0 /\ -1+n81 >= 0 /\ x^0-y^0 >= 0 /\ -4+2*x^0 >= 0 /\ -5+2*x^0 >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ -3+2*x^0 >= 0)], 15[T], 10[(1+x^0-y^0 <= 0 /\ -x^0-y^0 <= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {28[T]}, {}, {}] Covered Trace 14[T], 28[(-4-n81+2*x^0 >= 0 /\ -1+n81 >= 0 /\ x^0-y^0 >= 0 /\ -4+2*x^0 >= 0 /\ -5+2*x^0 >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ -3+2*x^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {28[T]}, {10[T]}] Step with 13 Trace 14[T], 28[(-4-n81+2*x^0 >= 0 /\ -1+n81 >= 0 /\ x^0-y^0 >= 0 /\ -4+2*x^0 >= 0 /\ -5+2*x^0 >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ -3+2*x^0 >= 0)], 15[T], 13[(-x^0+y^0 <= 0 /\ 2-x^0-y^0 <= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {28[T]}, {10[T], 11[T], 12[T]}, {}] Covered Trace 14[T], 28[(-4-n81+2*x^0 >= 0 /\ -1+n81 >= 0 /\ x^0-y^0 >= 0 /\ -4+2*x^0 >= 0 /\ -5+2*x^0 >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ -3+2*x^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {28[T]}, {10[T], 11[T], 12[T], 13[T]}] Backtrack Trace 14[T], 28[(-4-n81+2*x^0 >= 0 /\ -1+n81 >= 0 /\ x^0-y^0 >= 0 /\ -4+2*x^0 >= 0 /\ -5+2*x^0 >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ -3+2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {15[T], 28[T]}] Step with 16 Trace 14[T], 28[(-4-n81+2*x^0 >= 0 /\ -1+n81 >= 0 /\ x^0-y^0 >= 0 /\ -4+2*x^0 >= 0 /\ -5+2*x^0 >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ -3+2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {15[T], 22[T], 28[T]}, {16[T]}] Covered Trace 14[T], 28[(-4-n81+2*x^0 >= 0 /\ -1+n81 >= 0 /\ x^0-y^0 >= 0 /\ -4+2*x^0 >= 0 /\ -5+2*x^0 >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ -3+2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {15[T], 16[T], 22[T], 28[T]}] Step with 20 Trace 14[T], 28[(-4-n81+2*x^0 >= 0 /\ -1+n81 >= 0 /\ x^0-y^0 >= 0 /\ -4+2*x^0 >= 0 /\ -5+2*x^0 >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ -3+2*x^0 >= 0)], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {15[T], 16[T], 18[T], 22[T], 28[T]}, {20[T]}] Covered Trace 14[T], 28[(-4-n81+2*x^0 >= 0 /\ -1+n81 >= 0 /\ x^0-y^0 >= 0 /\ -4+2*x^0 >= 0 /\ -5+2*x^0 >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ -3+2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {15[T], 16[T], 18[T], 20[T], 22[T], 28[T]}] Step with 17 Trace 14[T], 28[(-4-n81+2*x^0 >= 0 /\ -1+n81 >= 0 /\ x^0-y^0 >= 0 /\ -4+2*x^0 >= 0 /\ -5+2*x^0 >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ -3+2*x^0 >= 0)], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 22[T], 24[T], 28[T]}, {17[T]}] Covered Trace 14[T], 28[(-4-n81+2*x^0 >= 0 /\ -1+n81 >= 0 /\ x^0-y^0 >= 0 /\ -4+2*x^0 >= 0 /\ -5+2*x^0 >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ -3+2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T], 22[T], 24[T], 28[T]}] Step with 21 Trace 14[T], 28[(-4-n81+2*x^0 >= 0 /\ -1+n81 >= 0 /\ x^0-y^0 >= 0 /\ -4+2*x^0 >= 0 /\ -5+2*x^0 >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ -3+2*x^0 >= 0)], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T], 22[T], 23[T], 24[T], 28[T]}, {21[T]}] Covered Trace 14[T], 28[(-4-n81+2*x^0 >= 0 /\ -1+n81 >= 0 /\ x^0-y^0 >= 0 /\ -4+2*x^0 >= 0 /\ -5+2*x^0 >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ -3+2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 28[T]}] Step with 27 Trace 14[T], 28[(-4-n81+2*x^0 >= 0 /\ -1+n81 >= 0 /\ x^0-y^0 >= 0 /\ -4+2*x^0 >= 0 /\ -5+2*x^0 >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ -3+2*x^0 >= 0)], 27[(-1+n213 >= 0 /\ -1-4*n59+2*x^0 >= 0 /\ x^0-y^0 >= 0 /\ -1+n59 >= 0 /\ 2-n213-4*n59+2*x^0 >= 0 /\ -1-n213-4*n59+2*x^0 >= 0 /\ -4*n59+2*x^0 >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ 1-4*n59+2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 28[T]}, {27[T]}] Covered Trace 14[T], 28[(-4-n81+2*x^0 >= 0 /\ -1+n81 >= 0 /\ x^0-y^0 >= 0 /\ -4+2*x^0 >= 0 /\ -5+2*x^0 >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ -3+2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}] Backtrack Trace 14[T] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}] Step with 17 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {17[T]}] Step with 25 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {17[T], 21[T], 23[T]}, {25[T]}] Step with 26 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)], 26[(-1+n213 >= 0 /\ -3-2*y^0 >= 0 /\ -2-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1-2*y^0 >= 0 /\ -1+x^0-y^0 >= 0 /\ -3-n213-2*y^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {17[T], 21[T], 23[T]}, {25[T]}, {26[T]}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {17[T], 21[T], 23[T]}, {25[T], 26[T]}] Step with 15 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {17[T], 21[T], 23[T]}, {25[T], 26[T], 27[T], 28[T]}, {}] Step with 12 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)], 15[T], 12[(-1+x^0+y^0 <= 0 /\ 1-x^0+y^0 <= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {17[T], 21[T], 23[T]}, {25[T], 26[T], 27[T], 28[T]}, {10[T], 13[T]}, {}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {17[T], 21[T], 23[T]}, {25[T], 26[T], 27[T], 28[T]}, {10[T], 12[T], 13[T]}] Step with 11 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)], 15[T], 11[(x^0-y^0 <= 0 /\ 1+x^0+y^0 <= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {17[T], 21[T], 23[T]}, {25[T], 26[T], 27[T], 28[T]}, {10[T], 12[T], 13[T]}, {}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {17[T], 21[T], 23[T]}, {25[T], 26[T], 27[T], 28[T]}, {10[T], 11[T], 12[T], 13[T]}] Backtrack Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {17[T], 21[T], 23[T]}, {15[T], 25[T], 26[T], 27[T], 28[T]}] Step with 22 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {17[T], 21[T], 23[T]}, {15[T], 25[T], 26[T], 27[T], 28[T]}, {22[T]}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {17[T], 21[T], 23[T]}, {15[T], 22[T], 25[T], 26[T], 27[T], 28[T]}] Step with 18 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {17[T], 21[T], 23[T]}, {15[T], 16[T], 22[T], 25[T], 26[T], 27[T], 28[T]}, {18[T]}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {17[T], 21[T], 23[T]}, {15[T], 16[T], 18[T], 22[T], 25[T], 26[T], 27[T], 28[T]}] Step with 24 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)], 24[(-1+n311 >= 0 /\ -3-n311-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -3-2*x^0 >= 0 /\ -4-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {17[T], 21[T], 23[T]}, {15[T], 16[T], 18[T], 20[T], 22[T], 25[T], 26[T], 27[T], 28[T]}, {24[T]}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {17[T], 21[T], 23[T]}, {15[T], 16[T], 18[T], 20[T], 22[T], 24[T], 25[T], 26[T], 27[T], 28[T]}] Step with 19 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {17[T], 21[T], 23[T]}, {15[T], 16[T], 18[T], 20[T], 22[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {19[T]}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {17[T], 21[T], 23[T]}, {15[T], 16[T], 18[T], 19[T], 20[T], 22[T], 24[T], 25[T], 26[T], 27[T], 28[T]}] Step with 23 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)], 23[(-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {17[T], 21[T], 23[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T], 22[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {23[T]}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {17[T], 21[T], 23[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}] Backtrack Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {17[T], 21[T], 23[T], 25[T]}] Step with 26 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 26[(-1+n213 >= 0 /\ -3-2*y^0 >= 0 /\ -2-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1-2*y^0 >= 0 /\ -1+x^0-y^0 >= 0 /\ -3-n213-2*y^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {17[T], 21[T], 23[T], 25[T]}, {26[T]}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {17[T], 21[T], 23[T], 25[T], 26[T]}] Step with 27 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 27[(-1+n213 >= 0 /\ -1-4*n59+2*x^0 >= 0 /\ x^0-y^0 >= 0 /\ -1+n59 >= 0 /\ 2-n213-4*n59+2*x^0 >= 0 /\ -1-n213-4*n59+2*x^0 >= 0 /\ -4*n59+2*x^0 >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ 1-4*n59+2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {17[T], 21[T], 23[T], 25[T], 26[T]}, {27[T]}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {17[T], 21[T], 23[T], 25[T], 26[T], 27[T]}] Step with 28 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 28[(-4-n81+2*x^0 >= 0 /\ -1+n81 >= 0 /\ x^0-y^0 >= 0 /\ -4+2*x^0 >= 0 /\ -5+2*x^0 >= 0 /\ -2+2*x^0 >= 0 /\ -2+x^0+y^0 >= 0 /\ -3+2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {17[T], 21[T], 23[T], 25[T], 26[T], 27[T]}, {28[T]}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {17[T], 21[T], 23[T], 25[T], 26[T], 27[T], 28[T]}] Step with 15 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {17[T], 21[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {}] Step with 13 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 15[T], 13[(-x^0+y^0 <= 0 /\ 2-x^0-y^0 <= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {17[T], 21[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {11[T]}, {}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {17[T], 21[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {11[T], 13[T]}] Step with 12 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 15[T], 12[(-1+x^0+y^0 <= 0 /\ 1-x^0+y^0 <= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {17[T], 21[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {10[T], 11[T], 13[T]}, {}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {17[T], 21[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {10[T], 11[T], 12[T], 13[T]}] Backtrack Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 17[T], 21[T], 23[T], 25[T], 26[T], 27[T], 28[T]}] Step with 18 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {18[T]}] Step with 24 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 24[(-1+n311 >= 0 /\ -3-n311-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -3-2*x^0 >= 0 /\ -4-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {18[T], 20[T]}, {24[T]}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {18[T], 20[T], 24[T]}] Step with 19 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {18[T], 20[T], 24[T]}, {19[T]}] Step with 23 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 23[(-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {18[T], 20[T], 24[T]}, {17[T], 19[T]}, {23[T]}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {18[T], 20[T], 24[T]}, {17[T], 19[T], 23[T]}] Step with 21 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {18[T], 20[T], 24[T]}, {17[T], 19[T], 23[T]}, {21[T]}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {18[T], 20[T], 24[T]}, {17[T], 19[T], 21[T], 23[T]}] Step with 15 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {18[T], 20[T], 24[T]}, {17[T], 19[T], 21[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {}] Step with 11 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 15[T], 11[(x^0-y^0 <= 0 /\ 1+x^0+y^0 <= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {18[T], 20[T], 24[T]}, {17[T], 19[T], 21[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {12[T]}, {}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {18[T], 20[T], 24[T]}, {17[T], 19[T], 21[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {11[T], 12[T]}] Step with 10 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 15[T], 10[(1+x^0-y^0 <= 0 /\ -x^0-y^0 <= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {18[T], 20[T], 24[T]}, {17[T], 19[T], 21[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {11[T], 12[T], 13[T]}, {}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {18[T], 20[T], 24[T]}, {17[T], 19[T], 21[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {10[T], 11[T], 12[T], 13[T]}] Backtrack Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {18[T], 20[T], 24[T]}, {15[T], 17[T], 19[T], 21[T], 23[T], 25[T], 26[T], 27[T], 28[T]}] Step with 22 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {18[T], 20[T], 24[T]}, {15[T], 17[T], 19[T], 21[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {22[T]}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {18[T], 20[T], 24[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}] Step with 16 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {18[T], 20[T], 24[T]}, {15[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {16[T]}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {18[T], 20[T], 24[T]}, {15[T], 16[T], 17[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}] Step with 20 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {18[T], 20[T], 24[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {20[T]}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {18[T], 20[T], 24[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}] Step with 24 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)], 24[(-1+n311 >= 0 /\ -3-n311-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -3-2*x^0 >= 0 /\ -4-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {18[T], 20[T], 24[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {24[T]}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {18[T], 20[T], 24[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}] Backtrack Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {18[T], 19[T], 20[T], 24[T]}] Step with 23 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 23[(-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {17[T], 18[T], 19[T], 20[T], 24[T]}, {23[T]}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {17[T], 18[T], 19[T], 20[T], 23[T], 24[T]}] Step with 25 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 25[(1-4*n51-2*y^0 >= 0 /\ -4*n51-2*y^0 >= 0 /\ -1+n311 >= 0 /\ 4-4*n51-n311-2*y^0 >= 0 /\ -1+n51 >= 0 /\ 3-4*n51-2*y^0 >= 0 /\ 2-4*n51-2*y^0 >= 0 /\ 1-4*n51-n311-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+x^0-y^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T]}, {25[T]}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T]}] Step with 26 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 26[(-1+n213 >= 0 /\ -3-2*y^0 >= 0 /\ -2-2*y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1-2*y^0 >= 0 /\ -1+x^0-y^0 >= 0 /\ -3-n213-2*y^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T]}, {26[T]}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T]}] Step with 15 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {}] Step with 12 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 15[T], 12[(-1+x^0+y^0 <= 0 /\ 1-x^0+y^0 <= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {10[T]}, {}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {10[T], 12[T]}] Step with 11 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 15[T], 11[(x^0-y^0 <= 0 /\ 1+x^0+y^0 <= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {10[T], 12[T]}, {}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {10[T], 11[T], 12[T]}] Backtrack Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}] Step with 22 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {22[T]}] Step with 16 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 16[(-x^0-n+y^0 >= 0 /\ -1+n >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {22[T]}, {16[T]}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {16[T], 22[T]}] Step with 20 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 20[(-1+n43 >= 0 /\ -4+2*y^0 >= 0 /\ -3+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1-x^0+y^0 >= 0 /\ -4-n43+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {16[T], 18[T], 22[T]}, {20[T]}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {16[T], 18[T], 20[T], 22[T]}] Step with 24 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 24[(-1+n311 >= 0 /\ -3-n311-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -2-2*x^0 >= 0 /\ -3-2*x^0 >= 0 /\ -4-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {16[T], 18[T], 20[T], 22[T]}, {24[T]}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {16[T], 18[T], 20[T], 22[T], 24[T]}] Step with 19 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 19[(-x^0+y^0 >= 0 /\ -n4-x^0-y^0 >= 0 /\ -1+n4 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {16[T], 18[T], 20[T], 22[T], 24[T]}, {19[T]}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {16[T], 18[T], 19[T], 20[T], 22[T], 24[T]}] Step with 23 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 23[(-4-4*n1212-4*n121-2*x^0 >= 0 /\ -1-4*n121-2*x^0 >= 0 /\ -2-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n37 >= 0 /\ -3-4*n1212-4*n121-n37-2*x^0 >= 0 /\ -3-4*n1212-4*n121-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ -4-4*n121-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -1-4*n1212-4*n121-2*x^0 >= 0 /\ -1+n1212 >= 0 /\ -2-4*n121-2*x^0 >= 0 /\ 1-4*n121-2*x^0 >= 0 /\ -4*n121-2*x^0 >= 0 /\ -1+n121 >= 0 /\ -3-4*n121-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {16[T], 17[T], 18[T], 19[T], 20[T], 22[T], 24[T]}, {23[T]}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {16[T], 17[T], 18[T], 19[T], 20[T], 22[T], 23[T], 24[T]}] Step with 21 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 21[(-4*n7+2*y^0 >= 0 /\ -4*n7-n+2*y^0 >= 0 /\ 1-4*n7+2*y^0 >= 0 /\ 3-4*n7-n+2*y^0 >= 0 /\ -2+2*y^0 >= 0 /\ -1+n7 >= 0 /\ -1+n >= 0 /\ -1-x^0+y^0 >= 0 /\ -1-4*n7+2*y^0 >= 0 /\ x^0+y^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {16[T], 17[T], 18[T], 19[T], 20[T], 22[T], 23[T], 24[T]}, {21[T]}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T]}] Step with 15 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {}] Step with 11 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 15[T], 11[(x^0-y^0 <= 0 /\ 1+x^0+y^0 <= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {}, {}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {11[T]}] Step with 10 Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 15[T], 10[(1+x^0-y^0 <= 0 /\ -x^0-y^0 <= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {11[T], 13[T]}, {}] Covered Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)], 15[T] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {10[T], 11[T], 13[T]}] Backtrack Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)], 22[(-1+n43 >= 0 /\ -1+n12 >= 0 /\ 1-4*n12-2*x^0 >= 0 /\ -4*n12-2*x^0 >= 0 /\ -1-x^0-y^0 >= 0 /\ -1-2*x^0 >= 0 /\ -x^0+y^0 >= 0 /\ 3-n43-4*n12-2*x^0 >= 0 /\ -2-2*x^0 >= 0 /\ -n43-4*n12-2*x^0 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}] Backtrack Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)], 18[(-n3+x^0-y^0 >= 0 /\ 1-x^0-y^0 >= 0 /\ -1+n3 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}] Backtrack Trace 14[T], 17[(x^0-y^0 >= 0 /\ -1-n2+x^0+y^0 >= 0 /\ -1+n2 >= 0)] Blocked [{}, {15[T], 16[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}, {15[T], 16[T], 17[T], 18[T], 21[T], 22[T], 23[T], 25[T], 26[T], 27[T], 28[T]}] Backtrack Trace 14[T] Blocked [{}, {15[T], 16[T], 17[T], 18[T], 19[T], 20[T], 21[T], 22[T], 23[T], 24[T], 25[T], 26[T], 27[T], 28[T]}] Backtrack Trace Blocked [{14[T]}] Accept unknown Build SHA: a05f16bf13df659c382799650051f91bf6828c7b